Two major factors used to identify climate are

20 the compound al(nh3)2 has atoms of nitrogen.

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes

What are polysaccharides more difficult to digest than monosaccharides