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Sauron [17]
2 years ago
11

What important layer exists within the thermosphere

Biology
1 answer:
frosja888 [35]2 years ago
4 0

Answer:

Ozone

Explanation:

Ozone is considered a pollutant in the troposphere, but in the stratosphere it is essential to life on earth because it absorbs biologically harmful UV radiation. The mesosphere and the thermosphere are two additional atmospheric layers above the stratosphere.

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The two planets considered “ice giants” are
Lady bird [3.3K]

I believe its Uranus and Neptune, please tell me if I'm wrong.


Reason: an ice planet is made up of a semi icy surface like perhaps water, oxygen, or any other element stronger than hydrogen. Neptune and Uranus both meet this match, they are made up of elements that are actually stronger than hydrogen.

4 0
2 years ago
Imagine that a researcher is examining the positioning of synaptic clefts in a region of the nervous system of adult mice. In on
Setler [38]
This is likely a mutant mouse (as synaptic clefts are typically 10 to 20 nm wide). Given that neurotransmitters act over short distances, this mouse may demonstrate delayed responses to stimuli, or no responses at all.



That’s the answer
4 0
3 years ago
HELP ASAP
Gnom [1K]

Answer:

less than 1%

Explanation:

The approximate percentage of the geologic time that humans have existed on the Earth since its origin is less than 1%.

The earth is about 4.6 billion years and much of its history has been without the present of human activities.

  • Hominis were the first human to appear on the surface of the earth.
  • This was in the Miocene epoch which was about 6 million years ago.
  • Compared to the age of the earth, this time lapse is very small and not up to 1%.
  • Life first appeared on earth about 3.5billion years.
  • Since then evolution has taken its due course to give what we have today.
6 0
2 years ago
An overweight, 14-year-old boy feels tired all the time. he sleeps 12 to 14 hours a day and has a voracious appetite but no ener
vampirchik [111]
<h3><u>Answer;</u></h3>

Myxedematous coma

<h3><u>Explanation;</u></h3>
  • Myxedema coma is a severe hypothyroidism leading to decreased mental status, hypothermia, and other symptoms related to slowing of function in multiple organs.
  • it is a loss of brain function as a result of severe, longstanding low level of thyroid hormone in the blood.
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8 0
3 years ago
Do all polypeptides have tertiary structures
andreev551 [17]
Yes, all polypeptides have tertiary structures. All proteins have primary, secondary and tertiary structures. However, quaternary structures only arise when a protein is made up of two or more polypeptide chains. Hope this answers the question. Have a nice day.
4 0
3 years ago
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