Please help with this question, I really need it, if done correctly I will give you an extra bonus

Both switch 1 and 2 need to be closed.

Explanation:

With switch 1 closed, the main power supply is connected and can circulate power, but the power stops and switch 2, thus making it clear that both switches need to be closed.

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explanation:

earth's surface is mainly heated by the absorption of infrared radiation from the sun.

evaporation occurs because molecules in liquid water are warmed ( usually by the sun) and vibrate quicker, becoming less dense and rise.

condensation occurs because molecules in water vapor are cooled and therefore vibrate more slowly thus becoming more dense and eventually fall to earth.

lines of equal barometric pressure on a weather map are called: isobars : lines of equal temp on a weather map are called: isotherms.​

vapour or gas assuming atmospheriv pressure