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scoundrel [369]
3 years ago
10

The ocean zone comprises approximately what percent of the world?

Biology
2 answers:
Andrew [12]3 years ago
6 0

lol the actual answer is 90 percent of the world ;)

ser-zykov [4K]3 years ago
4 0
Oceans comprises about 70% of the biosphere(world). It is collectively called the hydrosphere.

If this helps please mark me as brainliest.
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Xander is sleeping. His eyelids are quivering because his eyes are darting around. Xander is probably experiencing what kind of
poizon [28]

Answer;

REM sleep

Xander is probably experiencing REM sleep.

Explanation;

-REM sleep is a stage of sleep that is characterized by low muscle tone, rapid eye movements and dreams. It is present in all mammals and has unique physiologic properties that distinguish it from non-REM sleep.

-It is believed that the chemical and electrical activity that regulate this sleep phase originate in the brain stem, and this is most notably characterized by a combination of an abundance of acetylcholine (a neurotransmitter), and the almost complete absence of serotonin, histamine, and norepinephrine.


4 0
3 years ago
All of the following contributes to turbulent blood flow except A) when there are irregularities in the vessel wall. B) at high
GaryK [48]

All of the following contributes to turbulent blood flow except  third and fourth heart sounds.

<h3><u>Explanation:</u></h3>

The blood flow in human body is always described to be laminar. Some conditions cause the high flow when there is an ascending aorta. This causes the laminar flow of blood into turbulent. When this occurs the flow of the blood will not be smooth and linear.  

When the kinetic energy in the fluid flow increases the turbulent flow of blood occurs. Both the magnitude and the direction of the flow changes in this type of blood flow. These are caused by the irregularities in the vessel walls, flow rates to ne higher and opening of the valves of the heart.

4 0
3 years ago
Which of the following is not a level or component of bioidiversity?
mojhsa [17]

Answer:

genetic

Explanation:

does genetic and population separeted

3 0
4 years ago
How many biosynthetic families are know for amino acid biosynthesis.
lana [24]

Answer:

There are six of them, based on the common compound that they are synthesized

Explanation:

The family of L- glutamate come from the cetoglutarate compound from the Kreps cycle. The family of L-serine, come from 3 - phosphoglicerate compound from the glucolisis. The L - aspartate family, that come from oxaloacetate compound, from the Krebs cylce. The piruvate family that come from the piruvate, from the glucolisis. The aromatic aminoacids, that come from eritrose - 4 - phosphate, from the pentose cycle. And the L histidine family, that come from the ATP.

3 0
3 years ago
**PLEASE ANSWER QUICK, I'LL GIVE BRAINLIEST TO THE RIGHT ANSWER !!**
bekas [8.4K]
The answer is C plants do photosynthesis to make their own food however animals do not
3 0
3 years ago
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