Well when you eat you get energy and then you use it to ride up the hill sorry I don't know how it is classified
Answer:
Greenhouse gases keep our planet livable by holding onto some of Earth's heat energy so that it doesn't all escape into space. This heat trapping is known as the greenhouse effect. Just as too little greenhouse gas makes Earth too cold, too much greenhouse gas makes Earth too warm.
Answer:
a) Volume = 2/3 
r³
Volume = 2/3 × 22/7 × 14 × 14 × 14 = 5749.3 cm³
b) Total surface area = 3r²
Area = 3 × 22/7 × 14 × 14 = 1848 cm²
Answer:
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Explanation:
How a nuclear reactor works is that a nuclear reaction goes on in basically a very big tank of water, it acts like a kettle it heats up water which turns into steam to power a turbine so the actual component would either be the turbine or the steam.
