The calvin cycle requires and from the light reactions in order to operate.
a) glucose… carbon dioxide
b) electrons… nadh
c) atp… nadph
d) rubp… nadp+

How does human environment effect the biosphere

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?

Which describes a grizzly bear’s habitat?