A complete living thing, for example a rabbit or an oak tree, is
A. a biome.
B. an organelle.
C. an organism.
D. a population.
Lihts Reserve

b. lithosphere, asthenosphere, mesosphere   is the answer most likely

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?

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.

it should be d) transitional fossils.

they show the gradualism of evolution throughout a period of time