D. Grams per cubic centimeter
The gases present at the origin of the earth were believed to be nitrogen (N2), Carbon dioxide (CO2), water vapor (H20), and maybe some carbon monoxide (CO).
<h3>Origin of the earth</h3>
The earth is believed to have originated in what scientists have referred to as the big bang in which several gases were formed.
The gases present at the origin of the earth were believed to be nitrogen (N2), Carbon dioxide (CO2), water vapor (H20), and maybe some carbon monoxide (CO). The gases aggregated to form amino acids hence the origin of the initial life forms.
Learn more about gases: brainly.com/question/1369730
The correct answer is:
A. Photosynthetic pigments absorb energy from light.
Answer:
a shallow recess, especially one in a wall to display a statue or other ornament.
The human foot has two arches, but the chimpanzee foot has only one.
