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The team warms up for thirty minutes and has better results in Olympics.

One coach of an Olympic rowing team makes his athletes warm up by doing 30 minutes of stretching and jogging in place before practicing each day and the other team warms up for thirty minutes, and they then record the time that it takes each team to row a specific distance.

Another coach suggests that resting before practicing will result in better performance by her team. They decide to conduct an experiment to see which practice is correct for their game.

Therefore, The team warms up for thirty minutes and has better results in Olympics.

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Answer:

Mesozoic Era

Explanation:

The "Mesozoic Era" is divided into three periods: Triassic, Jurassic and Cretaceous. During the last period (Cretaceous), which was considered the longest, the extinction of reptiles occurred and the new mammals appeared. This event was also known as the "Cretaceous-Paleogene Extinction Event." Around 3/4 of plants and animals died. Such event became significant boundary that laid between the Cenozoic Era and the Mesozoic Era. This made it significant in geologic history.

Explanation:

it's a process so it's first goes in the mouth then it goes through the esophagus, stomach, small and large intestine. In the GI tract, nutrients and water from foods are absorbed to help keep your body healthy.

The muscles of the small intestine mix food with digestive juices from the pancreas, liver, and intestine, and push the mixture forward for further digestion. The walls of the small intestine absorb water and the digested nutrients into your bloodstream. I hope this helps

Answer:

Weathering and Erosion

Explanation:

Weathering describes the breaking down or dissolving of rocks and minerals on the surface of the Earth. Water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. Once a rock has been broken down, a process called erosion transports the bits of rock and mineral away.

Caffeine is not known to directly stimulate the brain's reward center. The answer is: D.

The brain's reward center, also known as the mesolimbic dopamine system, is primarily influenced by substances that activate the release or inhibit the reuptake of dopamine, a neurotransmitter associated with pleasure and reward.

Opioids, such as heroin and morphine (option A), directly bind to opioid receptors in the brain and activate the reward center, leading to feelings of euphoria. Cocaine (option B) blocks the reuptake of dopamine, leading to increased dopamine levels and prolonged stimulation of the reward center. Amphetamines (option C) also increase dopamine release and inhibit reuptake, resulting in heightened activity in the reward system.

In contrast, caffeine (option D) does not directly stimulate the reward center or significantly affect dopamine levels. Its primary mechanism of action is blocking adenosine receptors, which leads to increased alertness and reduced drowsiness. Caffeine's effects are more related to blocking the action of adenosine rather than directly impacting the brain's reward pathways.

Hence, the correct option is D. caffeine.

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The oxidative branch of the pentose phosphate pathway, also known as the pentose phosphate shunt, generates CO2 from carbon 1 of glucose. This pathway results in the conversion of glucose-6-phosphate to ribulose-5-phosphate and the release of two molecules of CO2.

The enzyme glucose-6-phosphate dehydrogenase catalyzes this reaction, which is an important source of NADPH, a reducing agent essential for many metabolic activities such as fatty acid and nucleotide synthesis. In addition to glycolysis, another pathway for glucose metabolism known as the pentose phosphate pathway also functions in cells with high biosynthetic demands, such as those found in adipose tissue and liver.

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The carbon cycle depicts the movement of carbon on Earth in its elemental and combined states. Carbon exists as carbonates in minerals and as carbon dioxide gas in the atmosphere in its combined state as diamond and graphite.

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Watershed is like where rainwater gathers to then be drained off into like a pond or river.

Surface Water is just water in like lakes and ponds while ground water is underneath the surface of the Earth.

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Answer:

1.) An increase in the level of blood sugar results in the pancreas increasing the amount of insulin it secretes.

Answer:

homogeneous

Explanation:

Answer:

homogamy

homogeneously

homospory

homologically

homonym

homoeroticism

homograph

Answer:

B

Explanation:

acceleration is a change in velocity, and situation B is the only situation where the velocity of the object is changing

Answer:

D.

Explanation:

Answer A - The basketball is not moving, motionless.

Answer B - The hockey puck eventually stops moving.

Answer C - The soccer ball eventually stops after one second.

Answer D is correct because the train is continuously moving.

Answer:

1:2:1

Explanation:

1 chance of having the genotype TT

2 chances of having the genotype of Tt

1 chance of having the genotype of tt

Answer:

A

Explanation:

Because Female song sparrows aren't just attracted to the song and rhe sparrow but also the ability they had to learn how to sing those complex songs.

Chemical contaminants that are frequently found in chemical dangers include toxins, antibiotics, and heavy metals from industrial discharges.

Heavy metals can be found in coal-burning power plants' combustion byproducts, metal piping used in industrial operations, untreated sewage sludge, and traffic. Pollution from toxicants is a significant environmental issue that has posed substantial risks to both agricultural productivity and human health.

Top of the list of environmental toxins harming nature are heavy metals and pesticides. Heavy metal contamination is seen by many as a problem in places with extensive industrial activity. Yet, today it is thought that one of the main sources of heavy metals is through roads and automobiles.

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Answer:

the answer is respiration

Answer:

respiration or C

Explanation:

Protection of embryo in gametophyte is the characteristics are not shared by land plants and charophytes.

Charophytes have chlorophyll a and b, store carbohydrates as starch, have cell walls consisting of cellulose, and undergo similar cell-division processes. Charophytes are non-vascular plants but land plants have well developed vascular tissues like the xylem and phloem. Charophytes do not form embryos but land plants do. Land plants have apical meristem responsible for the growth and exhibit alternation of generation in their life cycle.

Charophytes are the group of green algae whose ancestral lineage gave rise to land plants in what resulted in a profoundly transformative event in the natural history of the planet.

The green algae are basically divided into Charophyte and Chlorophyte algae, and it is agreed that the Charophyte algae are the closest algal relatives of land plants.

Charophytes consist of sporopollenin while land plants consist of the cellulose cell wall. Charophytes have flagellated sperms while land plants have round and non-flagellated sperms.

Protection of embryo in gametophyte is the characteristics are not shared by land plants and charophytes.

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One environmental issue resulting from global climate change that is particularly concerning to me is the loss of biodiversity. As outlined in Chapter 14 of the textbook, climate change is causing shifts in species ranges, which can lead to decreased biodiversity in certain areas.

This can have a cascading effect on ecosystems, as certain species may play important roles in maintaining ecological balance. Additionally, climate change can lead to habitat loss and degradation, which can further impact species populations.

One specific example of this can be seen in the Arctic region, where melting sea ice is causing shifts in the distribution of certain species, such as polar bears and Arctic foxes. As these species move into new areas, they may compete with other species for resources or may not be able to adapt to new conditions.

This can lead to a loss of biodiversity in the region. Additionally, the loss of sea ice can impact the availability of food for species such as walruses and seals, which can have far-reaching effects on the entire Arctic food web.

Overall, the loss of biodiversity resulting from climate change is concerning as it can have far-reaching impacts on ecosystems and the services they provide. It is important that we take action to mitigate climate change in order to prevent further loss of biodiversity.

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The ancient fish fossils were dated using C-14. If 1/16 the original amount of C-14 remains in the skeletons, approximately how old are the fish?

If 1/16 the original amount of C-14 remains in the skeletons, the amount of C-14 remaining is less than 100. Since the half-life of C-14 is 5730 years, and the C-14 remaining is 1/16 of the original amount, the fish fossils are more than 100 years old.Option A, B, and C are less than 45,600 years, therefore they can be eliminated. Hence, option D, 45,600 years is the most appropriate answer to this question.

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Answer:

If there is no atmosphere the sun rays will directly come to us and it will damage our eyes. and we cannot fly rockets also..

Answer:

temperature and pressure

Explanation:

i had a quiz on it

Answer:

Temperature and Pressure

Explanation:

:)

Answer:

D.

Explanation:

it should be the energy release. I think that it’s this because, energy being released I think can cause death.

Answer:

Dominant traits are always expressed when the connected allele is dominant, even if only one copy of the dominant trait exists. Recessive traits are expressed only if both the connected alleles are recessive. If one of the alleles is dominant, then the associated characteristic is less likely to manifest.

Explanation:

Answer:

4

Explanation:

Changes in the health of an economy

The Indicators used by economists reveal changes in production and demand.

Indicators are measures or steps economist use to show the significance or effect of a factor in an economy. It is use to classify and state the happenings in an economy and how effective those factors are.

Therefore, The Indicators used by economists reveal changes in production and demand.

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Answer:

I think it's desertification

Answer:

True

Explanation:

The Sun has a higher mass, and if measured from the same distance would exert a higher gravitational force than Jupiter.

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Answer:

The DNA is transferred to a nylon membrane because it is very difficult to work with

Explanation:

The DNA was transferred up into the membrane as liquid traveled up from the gel toward an absorbent material that was placed over the membrane.