Which of these must a plant have in order to make food. A:hydrogen

B:oxygen
C:glucose
D:sunlight

Which statement accurately describes the rock layers? layer 8 is older than layer 1. layer 3 is younger than layer 6. layer 4 and layer 10 are the same relative age. layer 2 and layer 9 are the same relative age.

Depending on the organism the number of in a cell may change

Explain why the plants cortex would serve as the best food source for animals