Planets with atmospheric are warmer than those without. A. air
B. gases
C. dust
D. temperatures

I think it's either A or B, but I'm not sure.

This is the amino acid cysteine. circle the amine group, put a box aroundthe carboxylic acid group and use a different colored pencil/pen to circle the sidechain (r group). h o | ||nh2— c- c-oh | ch2 | sh

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid