Why do plants need to obtain carbon atoms?
question 1 options:
they use carbon to breathe.
carbon is their food.
plants use carbon to build glucose during photosynthesis.
plants don't need carbon.

What does all of the organ system in a human form

How does pregnancy begin? a) a placenta forms in the uterus b) a sperm reaches an egg in the fallopian tubec) the blastocyst differentiates into two cell types d) contractions begin in the uterine wallapex

Describe at least 2 abiotic and two biotic factors found in the desert biome how do these abiotic factors interact with the biotic factors