In the carbon cycle, photosynthetic organisms use carbon dioxide to produce
protein molecules
nucleic acids
sugar molecules
amino acids

sugar molecules.

Explanation:

Plants use carbon dioxide to make sugar molecules.

uh cause they want to stop talkin to you (depends if its online)

or if its in real life they just want you to sleep ig

or maybe they jus tired.

but if it's online they prob just saying that cause they dont wanna talk to you or they want u to leave