Countries around the world are considering various possibilities to reduce the emission of greenhouse gases. which step would be a cost-effective and realistic measure for them to adopt?

a)build more thermal power stations. b)use coal to heat buildings in winter. c)increase the efficiency of coal power stations. d)burn firewood, instead of fossil fuels, as a source of energy.

Increase the efficiency of coal power stations for USATestprep .

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 !