What is one way to separate a substance that is dissolved in water?
Answers
Answer:
Mixtures can be separated using a variety of techniques. Chromatography involves solvent separation on a solid medium. ... Evaporation removes a liquid from a solution to leave a solid material. Filtration separates solids of different sizes.
1. Handpicking
2. Threshing
3. Winnowing
4. Sieving
5. Evaporation
6. Distillation
7. Filtration or Sedimentation
8. Separating Funnel
9. Magnetic Separation
9 ways to seperate substances disolved in water.
Related Questions
When cars age or are poorly maintained, they tend to peak oil onto roadways and parking lots. This oil is washed into the nearest waterway with the next rainfall. What type of water pollution does this cause?
Answers
Answer:
Oil cannot dissolve, or disintegrate, in water. This causes it to form into a thick sludge substance. Which then gets caught in Birds feathers or harm the marine life.
Answer:
toxic i believe
Explanation:
I actually need so much help with this, I’ll give extra points just PLEASE HELP
Answers
A prokaryote that occupies a habitat that is characterized by extreme heat (above 50 degrees Celsius) is a/n
1. thermophile.
2. acidophile.
3. halophile.
4. basophile.
5. hydrophile.
Answers
A prokaryote that occupies a habitat that is characterized by extreme heat (above 50 degrees Celsius) is a thermophile.
A prokaryote that occupies a habitat characterized by extreme heat, typically above 50 degrees Celsius, is called a thermophile.
These organisms have adapted to survive and thrive in extremely hot environments, such as geothermal hot springs and deep-sea hydrothermal vents.
Their cellular structures and enzymes have evolved to remain stable at high temperatures, allowing them to carry out vital metabolic processes in such harsh conditions.
Thermophiles have significant applications in biotechnology, particularly in the fields of food and pharmaceutical industries, where their enzymes can be used for various purposes, including the production of cheese, yogurt, and other fermented products.
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Severe flooding in an area caused a population of minnows to become split into two separate ponds. Prior to the separation, the male minnows all had a moderate number of spots.
Following the separation, the first pond was filled with larger fish that fed on minnows, so male minnows with fewer spots were better able to avoid detection by predators. The minnows in the second pond, however, had very few predators, and female minnows in this pond preferred to mate with males that had the most spots.
After many generations, the two minnow populations evolved into different species and could no longer interbreed.
Fish Species Average # of Spots
Original Species four to six
New Species 1 zero to two
New Species 2 eight to ten
Which of the following best describes why the two minnow populations evolved into separate species?
A.
Natural selection acted upon the traits of the minnows in the first pond only, causing these fish to evolve into a new species with new adaptations.
B.
Natural selection acted upon the traits of the minnows in the second pond only, causing these fish to evolve into a new species with new adaptations.
C.
The same selective pressures were acting upon both populations, leading to a decrease in genetic variation and the formation of two new species.
D.
Different selective pressures were acting upon the two populations, leading to an increase in genetic variation and the formation of two new species.
Answers
Which of the following is the best definition for the term "evolution"?
Group of answer choices
A change in the frequency of genes in a population over time
A measure of the successfulness of the most fit creatures in a population
A measure of the change of a specific trait in an individual over time
A change in the shape of an individual or group over time
A change in the abilities of the strongest creatures in a population
Answers
Answer:
it is option c
Explanation:
In biology, evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection.
6. the fossils of a rare flying animal are found in a layer rock. which information can be gathered by studying the fossil?
Answers
The information that can be gathered by studying the fossil is where the animal died.
Fossils are preserved remain(s), impression, or trace of any once-living thing that was living from a past geological age. They are mostly found in the form of bones, shells, exoskeletons, and stone imprints; but some objects are also preserved in petrified wood, amber, or even DNA remnants.
The major information that can be gathered from a fossil is the place where the organism died. With the current technology and techniques, you can also estimate the age of the fossil by measuring the age of the rock where it is found.
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4. A biologist reads about a study in a peer-reviewed journal where the results do not agree with her
research. this scientist must remain __ and think about how those results might affect her own work
Answers
A biologist reads about a study in a peer-reviewed journal where the results do not agree with her research. this scientist must remain Open minded and think about how those results might affect her own work.
A biologist is a scientist who conducts biological research. Biologists are interested in studying all forms of life on Earth, whether they are single cells, multicellular organisms, or communities of interacting populations. The goal of basic research biologists is to advance knowledge about the natural world.
Most biologists today have one or more academic degrees, such as a bachelor's degree plus an advanced degree, such as a master's degree or a doctorate. Biologists, like other scientists, can be found working in a variety of industries, including academia, nonprofits, private industry, and government. The founder of biology, Francesco Redi, is regarded as one of the greatest biologists of all time.
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Sustainability is simply the "capacity of health ecosystems to
function"; however, this function is finite.
True
False
Answers
The statement is true, and we need to implement sustainable practices to ensure we protect the finite natural resources that we rely on for our survival.
The statement "Sustainability is simply the "capacity of health ecosystems to function"; however, this function is finite" is true.What is sustainability?Sustainability refers to the ability of an ecosystem or resource to persist and function over time. It relates to how natural and artificial systems can be maintained in the long term. Human practices, such as energy and resource consumption, agriculture, and waste disposal, have an impact on sustainability.
What are the sustainable activities?Conservation of resources that is, using natural resources at a rate that does not deplete them. For example, planting more trees than we cut down.Re-use and recycling of resources that is, finding innovative ways to reuse waste materials rather than disposing of them.Lifestyle choices that reduce energy usage or carbon footprints, such as using public transport or cycling instead of driving alone or buying locally sourced goods to reduce transportation emissions.What is an ecosystem?
An ecosystem comprises all living organisms in a given region and the non-living components with which they interact. It refers to the various relationships that exist between living and non-living things, such as soil, water, and climate. Ecosystems can range from tiny ponds to vast oceans, from desert to tropical rainforests, and everything in between.
The elements within ecosystems are connected in complex and intricate ways and are affected by external factors such as human activity.Therefore, the statement is true, and we need to implement sustainable practices to ensure we protect the finite natural resources that we rely on for our survival.
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FIRST GETS BRAINLIEST so hurry
Answers
Answer:
Your answser should be C
Explanation:
Answer:
c
Explanation:
4. Exercise 3.4. Genetic Testing and Insurance Prices. Suppose the likelihood that a person will get disease X is determined in large part (but not exclusively) by his or her genes. Initially, it Is impossible to determine who carries the gene for the disease, and many people spend $500 on special health insurance to cover the costs of treatment for the disease. Suppose scientists uncover the gene responsible for the disease and develop a simple test for the gene. (Related to Application 3.) a. Suppose the government passes a law that prevents insurance companies from getting the results of a customer's genetic test for X. Will the new price of X insurance be greater that or less than $500 ? b. Suppose insurance companies have access to the results of genetic tests and they require all customers to get the test. How will the insurance company change its price of X insurance?
Answers
The first scenario's price of X insurance will be greater than $500, while the second scenario's price of X insurance depends on the results of the genetic test.
a) If the government passes a law that prevents insurance companies from getting the results of a customer's genetic test for X, the new price of X insurance will be greater than $500.
b) If insurance companies have access to the results of genetic tests and they require all customers to get the test, the insurance company will change its price of X insurance as follows: if the test shows that a customer has the gene, the insurance company will raise the price of insurance to $800 to cover the expected treatment cost of $10,000 (with probability 1). In contrast, if the test shows that a customer does not have the gene, then the insurance company will lower the price of insurance to $100 to cover only administrative costs, assuming there is no risk of developing the disease.
According to these two scenarios, the first scenario's price of X insurance will be greater than $500, while the second scenario's price of X insurance depends on the results of the genetic test.
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An assessment that examines a company’s internal AND external state true or false
Answers
Answer:
true
Explanation:
i did the question :)
yw
What is a slient mutation
Answers
Answer:
Silent mutations is when the change of a single DNA nucleotide within a protein-coding portion of a gene does not affect the sequence of amino acids that make up the gene's protein.
Explanation:
SOMEBODY HELP PLSSS ILL GIVE BRAINLIESTTTT
Answers
Answer:
D
Explanation:
Index fossils are the basis for defining boundaries in the geologic time scale and for the correlation of strata. They also have a wide geographic distribution and a short range through time
Answer:
D
Explanation:
Describe the action of CILIA in the movement of mucus. ANSWER ASAP PLS!!!
Answers
Answer:
Motile' (or moving) cilia are found in the lungs, respiratory tract and middle ear. These cilia have a rhythmic waving or beating motion. They work, for instance, to keep the airways clear of mucus and dirt, allowing us to breathe easily and without irritation. They also help propel sperm.
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Please give me a brainliest
What surrounds the cytoplasm of all cells?
Answers
How does increasing carbon dioxide in the atmosphere threaten marine life? a. It acidifies the ocean. b. It raises oxygen levels. c. It decreases water temperature. d. all of the above e. none of the above
Answers
Increasing carbon dioxide in the atmosphere threatens marine life by a. acidifying the ocean.
How does rising atmospheric carbon dioxide affect marine life?Increasing carbon dioxide in the atmosphere threatens marine life by acidifying the ocean. This phenomenon, known as ocean acidification, occurs when excess carbon dioxide dissolves in seawater, leading to a decrease in pH levels.
As the ocean becomes more acidic, it poses a significant threat to various forms of marine life, including shell-forming organisms like coral reefs, oysters, and other shellfish. The acidic conditions make it difficult for these organisms to build and maintain their calcium carbonate structures, essential for their survival and growth.
Additionally, acidification can also impact the food chain by affecting the development and survival of small planktonic organisms that serve as a crucial food source for many marine species.
As a result, the overall ecosystem balance and biodiversity of marine environments are at risk.
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after two cycles of pcr, how many double-stranded dna molecules correspond exactly to the desired product of amplification (i.e. have both strands the correct length)?
Answers
After two cycles of PCR, 4 copies of double-stranded DNA molecules correspond exactly to the desired product of amplification.
What is PCR?The polymerase chain reaction (PCR) is a technique that is frequently used to quickly create millions to billions of copies (complete or partial) of a specific DNA sample. This technique enables researchers to take a very small DNA sample and amplify it (or a portion of it) to a large enough quantity to study in detail. The PCR method of DNA manipulation was created in 1983 by American biochemist Kary Mullis at Cetus Corporation. Mullis and biochemist Michael Smith, who had created other crucial techniques for DNA manipulation, shared the 1993 Nobel Prize in Chemistry.
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Many bacteria are pathogenic because they carry large segments of DNA called ______ ______, which were acquired by horizontal gene transfer, and which carry genes responsible for virulence.
Answers
Many bacteria are pathogenic, they carry large segments of DNA called pathogenicity islands, which were acquired by horizontal gene transfer, and which carry genes responsible for virulence.
What are the different types of pathogen ?Bacteria a tiny microscopic organisms, some human infecting bacterial pathogen is Salmonella typhi causes typhoid.
Virus nonliving entity in absence of host. Some viruses such as HIV which are the causative agent of AIDS.
Protozoa, single celled eukaryotes such as Entamoeba histolytica causes amoebic dysentery.
Fungi either unicellular or multicellular microorganism, such as Trichophyton mentagrophyte causes athlete's foot.
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Membrane proteins are synthesized by ribosomes that are attached to __________. View Available Hint(s)for Part A the endoplasmic reticulum lysosomes the Golgi apparatus the nucleolus
Answers
Membrane proteins are synthesized by ribosomes that are attached to the endoplasmic reticulum, option A is correct.
The endoplasmic reticulum (ER) is a complex network of tubules and flattened sacs found in eukaryotic cells and plays an important role in protein synthesis and folding. Ribosomes, the cellular structures responsible for protein synthesis, can be found either free in the cytoplasm or attached to the surface of the ER. When ribosomes are attached to the ER, they form a complex called the rough endoplasmic reticulum (RER).
The RER is responsible for synthesizing membrane proteins, as well as proteins destined for secretion. The attachment of ribosomes to the ER provides a direct pathway for newly synthesized proteins to be translocated into the ER lumen, where they undergo further modifications and folding before reaching their final destinations within the cell or being secreted outside, option A is correct.
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The complete question is:
Membrane proteins are synthesized by ribosomes that are attached to __________.
A) endoplasmic reticulum
B) lysosomes
C) Golgi apparatus
D) nucleolus
Which is NOT an example of a vestigial
structure?
A. eyes of a blind salamander
B. pelvic bones in a whale
C. thorns on a rose bush
D. wings on a flightless bird
Answers
is your answer.
Fish species characterized by rigid bones and a mouth at the apex of the body; they are so called ___________ because their fins are lined with hardened rays.
Answers
The fish species characterized by rigid bones and a mouth at the apex of the body, which are so called "bony fishes" because their fins are lined with hardened rays, are also known as osteichthyes.
This group of fishes is the largest and most diverse of all vertebrates, comprising over 30,000 species. Osteichthyes are found in almost every aquatic habitat, from freshwater streams and ponds to the deep sea.
The defining characteristic of bony fishes is their skeleton, which is composed of bone rather than cartilage. This gives them a rigid structure that provides support and protection, enabling them to swim efficiently and resist predators. Additionally, their fins are supported by bony rays that extend outward from the body, allowing for precise control of movement and direction in the water.
Some examples of bony fishes include salmon, trout, tuna, and bass. They play a critical role in aquatic ecosystems as both predators and prey, and are also an important food source for humans. Osteichthyes are a fascinating group of fishes that have adapted to a wide range of environments, making them a subject of interest for researchers and fish enthusiasts alike.
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which part of a flower has pollen grain?
Answers
What would be effected If a person did not eat enough protein in their daily diet?
Answers
Answer:
Weakness and Fatigue
Explanation:
And over time, a lack of protein can make you lose muscle mass, which in turn cuts your strength, makes it harder to keep your balance, and slows your metabolism. It can also lead to anemia, when your cells don't get enough oxygen, which makes you tired.
Mark brainliest please I would appreciate it
Tracheostomy refers to a procedure to which part of the body
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humus in soil comes from eroded rock true or false
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why dont children look exactly like their parents?
Answers
Answer:
because parents only give the child 1/2 of their chromosomes
Explanation:
Answer:
because not exactly all genes are passed down to the child
Explanation:
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The answer fam is.......... Make the frequency higher for number 1 and have the same amplitude (A)
What do you think would happen to reef dwellers (e.g., coral, parrot fish, sea cucumbers) if the algae were not able to photosynthesize?
Answers
If the algae were not able to photosynthesize, reef dwellers such as coral, parrot fish, and sea cucumbers would likely experience adverse consequences.
Algae play a crucial role in the health and functioning of reef ecosystems. Through photosynthesis, algae produce oxygen and provide a significant source of energy and nutrients for other reef dwellers. Therefore, if the algae were unable to photosynthesize, it would have a cascading effect on the entire ecosystem.
Coral, for instance, relies on the symbiotic relationship with photosynthetic algae called zooxanthellae. These algae provide coral with essential nutrients and contribute to their vibrant colors. Without the ability of algae to photosynthesize, coral would lose this symbiotic relationship and experience a decline in growth and vitality, making them more susceptible to stressors and diseases.
Parrot fish and sea cucumbers also depend on the availability of algae as a food source. Parrot fish feed on algae and help control their growth, preventing overgrowth that could harm the reef. Sea cucumbers also consume algae, contributing to nutrient cycling and the overall health of the ecosystem. If algae were unable to photosynthesize, the food source for these reef dwellers would diminish, potentially leading to reduced populations and disruption of ecological balances.
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what do all cells have in common?
A. they all have a cytoskeleton
B. they are all prokaryotes
C. they all have organelles
D. they are all parts of larger organisms
Answers
Answer:
c and d
Explanation:
Which of the following organelle is found in only plant cells?
Cell Membrane
Vacoule
Nucleus
Cell wall
Answers
Answer: Cell wall
Explanation:
1. Cell membrane: present in all cells
2. Vacuole: large central vacuoles present in most plant cells, some animal cells also have some small vacuoles
3. Nucleus: present in all cells
4. Cell wall: Only present in plant cells