Which of the following is necessary for the light-dependent reactions to proceed?
a) chlorophyll
b) oxygen
c) atp
d) nadp

Aristotle classified animals according to their a. habitat and mating behavior c. mating behavior and relatedness b. habitat and physical differences d. physical differences and mating behavior

What is the one part of the nucleotide  that differs among the other different nucle  tides?

The earths core is made up mainly of what 2 substances? 2. like an egg, earth has a core, a layer surrounding the core, and a thin, hard outer layer. which layers of the earth match the layers of an egg?