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Answer:

Many organisms that lived in the past are now extinct .

Explanation:

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Answer:

There is more than one codon that can specify most amino acids, therefore you never know which one was used for a particular protein, unless you can look at the DNA or RNA sequence.

Answer:

the answer would be magnesium and oxygen

Explanation:

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Answer:

thw answer is magnesium and oxygen

The best answer I see is A

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Answer:

10N=8m divided by 4s

= 5N

Explanation:

Answer:  Expert Verified. Assuming that this question is referring to fermentation using yeast to convert sugars to alcohol and carbon dioxide. ... The yeast cannot survive in this environment and will die. So alcohol and carbon dioxide production will cease.

Explanation:

Answer:

No. 2

Explanation:

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Answer:

it's letter D. its reevaluated and retested

Answer:

Hi, there the answer is thymine

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Explanation:

Correct Question:

Two sound waves (wave X and wave Y) are moving through a medium at the same speed. If wave X has a greater frequency than wave Y, then wave X

A. has a lower amplitude.

B. has a shorter wavelength.

C. has a longer wavelength.

D. has a greater amplitude.

Answer:

C. has a longer wavelength.

The basic equation of frequency and speed are

velocity = frequency x wavelength

When both waves' velocities are the same then

v1 = v2

f-1 x wavelenght-1 = f-2 x wavelenght-2

Now increasing frequency of wave X will increase the wavelength of wave Y for the equations to be equal.

Answer:

Minerals being deposited as water drips.

Explanation:

Stalagmites grow on the floor of a cave. The process that creates them starts with the filtration of rainwater drops through the rock picking gases and minerals, amongst these ones is calcite. When the drops containing these elements pass through the rock and are in contact with the air, a chemical reaction happens. As a consequence, the calcite precipitate on the floor of the cave. This process has to happen many times to form a stalagmite.

Answer:

They transfer energy without matter as a medium

Explanation:

I don't really have one

Answer:

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Explanation:

These chemical reactions produce waste products such as carbon dioxide, water, salts, urea and uric acid. Accumulation of these wastes beyond a level inside the body is harmful to the body. The excretory organs remove these wastes.

Answer:

B

Explanation:

Because that what commensalism is

Answer:

B. are neither helped nor harmed (are unaffected)

Explanation:

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Answer:

Canyons

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A canyon is a small, deep valley with cliff-like sides. The Spanish word caon, which meaning “tube” or “pipe,” is where the term “canyon” originates. Thus, option A is correct.

A deep valley that has been carved into the surface of the earth over a long period of time by erosion from a flowing river is referred to as a canyon.

It is also referred to as a gorge and typically features rocky cliffs and very steep walls. One of the most well-known instances is the Grand Canyon, which the Colorado River carved out.

Canyon: A deep valley with steep walls and a V-shape created by a river slicing through hard rock. These valleys are common in the upper reaches of rivers, where the stream's fast, strong current rapidly digs the valley. Gorges are smaller valleys with a similar aspect.

Therefore, Although “gorge” is frequently used interchangeably with “canyon,” a gorge is nearly invariably narrower and steeper.

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The option that describes the range of a butterfly is the milkweed plant. Thus, the correct option is C.

A species range may be defined as an area where a particular species can be found during its lifetime.

The population of butterflies may migrate or hibernate in the locality of the milkweed plant itself. They take the nutrients required for growth and reproduction from the milkweed plant.

Therefore, the correct option is C.

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1. Cellular respiration is a process where oxygen molecules are used to break down nutrients like sugar to generate adenosine triphosphate or ATP.

2. All living organisms (except for some bacteria/yeast) perform cellular respiration. But what types? Any, I guess.

3. Aerobic respiration occurs in the mitochondrial matrix of the cell.

4. Anaerobic respiration occurs in the fluid portion of the cytoplasm.

5. The products of aerobic cellular respiration are ATP (energy), plain water and carbon dioxide.

6. The chemical equation for aerobic cellular respiration is 6O₂ + C₆H₁₂₂O₆ = 6CO₂ + 6H₂O + ATP...

7. ...

Answer:

In the presence of oxygen, pyruvate is transformed into an acetyl group attached to a carrier molecule of coenzyme A. The resulting acetyl CoA can enter several pathways, but most often, the acetyl group is delivered to the citric acid cycle for further catabolism.

Answer:

Every winter, Arctic sea ice grows around the pole, its frozen tendrils threading along northern coasts. Right now sea ice has just passed its peak coverage for the year, and will begin to shrink with the coming of spring. It’s a crucial time for polar bears, whose food supply is inextricably linked to sea ice.

And in recent decades, sea ice has been shrinking faster than ever. According to the National Snow and Ice Data Center, 2019 has the seventh-lowest sea ice cover in the Arctic since they began collecting satellite data 40 years ago.

This year “doesn't break any records, but it's the trend that matters,” says University of Alberta polar bear scientist Andrew Derocher. “The downward trend in Arctic sea ice across all months is the concern,” he says, and “now we wait to see what spring conditions bring.” (Read more about global warming’s link to polar bears.)

A cold spring allows ice to linger, giving polar bears easier access to one of their favorite foods: seals. A warm spring cuts short the availability of their food super-highway....