Answer:
I'm doing well thank you. Trust you're doing well also.
Explanation:
What question exactly are you talking about?
Why did you give up when you know you can post your questions here and we can help you with them?
Please do not give up, we are here for you, here on brainly, so kindly post your questions. Thank you.
Answer:
Option B, It was made in stars that lived before the solar system formed.
Explanation:
Almost all the carbon that exists today with in the living organisms was produced in the stars. When these stars exploded during the big bang theory all the carbon within hem was introduced in the environment of earth some billions of years ago. Hence , though carbon introduced in earth’s environment was due to big bang, its origin is from the stars. Hence option B is the correct answer
Cyanobacteria is responsible for generation of oxygen on planet earth and thus option D is in correct.
Answer: c.composition, temperature, and function.
Atmosphere can be classified into composition, temperature, and function. The composition has two region, heterosphere and homosphere. The temperature will be divided into thermosphere, mesosphere
, stratosphere, troposphere
. The function will be divided into ozonosphere and ionosphere
Answer:
I believe the answer is C.
Explanation:
Hope my answer has helped you!
