Photovoltaic power from solar panels and biomass energy are obviously forms of solar energy, coming from sunlight. Explain why both wind power and hydroelectric power can also be considered to be forms of solar energy.

Part of molten rock at mid-ocean ridges

2points why do scientists need governmental funding? o a. government politicians ask all the important scientific questions. o b. scientists have to pay taxes to the government on the money they make. o c. the cost of doing scientific research can be very high. o d. the government is controlled by scientists. submit

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?