he added an identical combination of wood shavings, shredded paper, nitrogen, and bacteria. He mixed the materials in each bin and adjusted the insulation around the bins to maintain daily target temperatures. He then monitored the temperature, moisture, and amount of decomposition of the compost in each bin over an eight-week period.

Composting, or controlled decomposition, requires a proper balance of “green” organic materials and “brown” organic materials. “Green” organic material includes grass clippings, food scraps, and manure, which contain large amounts of nitrogen. “Brown” organic materials includes dry leaves, wood chips, and branches, which contain large amounts of carbon but little nitrogen. Obtaining the right nutrient mix requires experimentation and patience. It is part of the art and science of composting

Explanation:

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metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .