cameron12502
28.10.2019 •
Mathematics
Ineed fast.
(11 points)
during convection, hot air and cold air
does hot air sink or rise?
does cold air sink or rise?
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Ответ:
Cold air is heavier and more dense then hot air and therefore sinks. Hot air rises. An interesting reason that hot air rises is because cold air sinks. When the cold air sinks it pushes up the hotter air.
Hope this helped!
Ответ:
option d
Step-by-step explanation:
42/6= 7
63/9= 7