The mechanism of enzymatic action within a single substance
The endocrine system is a collection of glands that regulate your metabolism, growth, sleep, mood and other things around your body.
C)fossil aging and no i did not use google i knew this from 7th grade
Atmospheric nitrogen fixation<span> is the process in which lightning converts </span>nitrogen<span>gas in the </span>atmosphere<span> into usable compounds. It makes </span>nitrogen<span> available to</span>organisms<span>.</span>
