Answer:
Circle - Phosphate group
Rectangle - Nitrogen base
Middle - Pentose sugar
Explanation:
So it's easier to understand how plants take in carbon-dioxide and how much carbon-dioxide is in the atmosphere
There you go! I hope it helped you :)
Answer:
I would assume D
Explanation:
Tube 1 doesn't contain an organism so it can't be that one. Both a snail and a plant are considered an organism, and cellular respiration occurs in almost any organism's cells