Ancient plants captured solar energy from the sun, which eventually produced A. geothermal energy

B. fossil fuels

C. greenhouse gases

D. infrared radiation

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.

About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?