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Anna11 [10]
3 years ago
6

Helpppp me plzz....

Chemistry
1 answer:
Dmitry_Shevchenko [17]3 years ago
4 0

2.a) warm air is lighter than cold air so thats why it's warmer upstairs than downstairs
3.d) Conduction<span> is the process by which heat energy is transmitted through contact with neighboring molecules</span> 
4.d) the lamp radiates heat throughout the plants 
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