Weathering breaks down and loosens the surface minerals of rock so they can be transported away by agents of erosion such as water, wind and ice. There are two types of weathering: mechanical and chemical.
Water cycle
sun
never
evaporation
transpiration
condensation
precipation
run-off
I would think to protect the wound and clot any blood
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Well, I think the answer would be, Both biomass and coal energies are inexpensive, but they release greenhouse gases.</span>