Answer:
Convection currents push up on parts of the plate. Then gravity pulls on those areas, bringing them downward. And, as these areas move lower, the ridges then push the plates away and outward.
Explanation:
I took the quiz
Answer: 
Explanation:
Using Weins displacement law:
where
= wavelength = 
b = constant =
T = Temperature in Kelvin = ?
Putting the values we get:

Thus the temperature of the blackbody will be 
Answer:
Most researchers agree that drafting papers and interpreting results deserve recognition — but opinions don't always match authorship guidelines. Most researchers agree that drafting papers and interpreting results deserve recognition — but opinions don't always match authorship guidelines.
Explanation:
9 I think
If I am wrong sorry
Things like food shortage, war destruction, and weapons.