What organism are the bottom of an energy pyramid? A. Producer
B. Consumers
C. Scavengers
D. Decomposers

Which spheres are involved when sedimentary rocks formed from parts of seashells at the bottom of the ocean? a.) biosphere, atmosphere, geosphereb.) geosphere, hydrosphere, biosphere c.) geosphere, exosphere, hydrosphered.) hydrosphere, biosphere, atmosphere

What is true about all plutons? they form below earth’s surface. they form near earth’s surface. they form above earth’s surface. they cut across other rock layers.

Based on their relative positions in the periodic table, which two elements would have the same number of valence electrons?