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convection currents – questions

1. if you wanted to eliminate wind, what would be the best way to do it?

a. eliminate mercury, venus, and mars
b. eliminate all plant life
c. eliminate the moon
d. eliminate the sun

1. which is true about the way air flows?

a. from high pressure to low pressure
b. from low pressure to high pressure
c. from cold air to hot air
d. from top to bottom only

1. how does earth’s atmosphere get heated?

a. direct energy from the sun
b. heat radiated from earth
c. light from the moon’s reflection
d. forest fires
your answers:

1. answer here
2. answer here
3. answer here

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Explanation:

1. Wind forms due to air pressure differences from uneven heating; removing pressure drivers stops wind.
2. Air flows down pressure gradients to balance pressure.
3. Earth's atmosphere is heated by re-radiated terrestrial heat.

Answer:

1. B. Eliminate all plant life
2. A. From high pressure to low pressure
3. B. Heat radiated from Earth