The signs are determined by the relation of the constellations and what?

it would be c. xylem.

c

explanation:

idk

hello

answer: collecting information/data

reason: the student is going around and asking people questions to collect data

i hope this

the sun creates it's own light, also gives light and life to bunch of stuff like plants,animals,humans etc.photosyntesis is the process of making food which needs sun,water,nutrients etc.