Which of the following describes the amount of energy that plants pass on to herbivores?

(A) The amount of solar energy in a biome
(B) The First Law of Thermodynamics
(C) The Net Primary Productivity (NPP) of an area
(D) The Second Law of Thermodynamics

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.

the rocks are classified by the geological process they are formed by. the three main groups of rocks are igneous, metamorphic, and sedimentary. minerals are not they are classified under the chemical classes they are in. these groups include silicates, sulfates and carbonates.

a compound light microscope is used to magnify objects in steps.  

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