Answer:
Proteins are responsible for the <u>mass </u>and <u>fat </u>of much of our bodies (and other organisms). The instructions for making protein are encoded in <u>DNA</u>. These genes provide the sequence of building blocks known as <u>nucleotides</u>. This string of amino acids then folds into different shapes. The structure of proteins determines what a <u>molecule </u>can do. Proteins contain carbon, hydrogen, oxygen, and nitrogen.
Explanation:
<em>Kindly pardon me: I ain't so sure of the first two answers.</em>
Its Light because it reacts to photosynthesis
Planet earth was probaly formed 30,thousand years ago the first life probably evolved 29 thousand years ago
They are also called "Land Plants" that are non-vascular!
Hope this helps!