Someone or something with potential or talent but lacking training or polish: “Her singing voice is beautiful, but she needs help with her gestures; she's a diamond in the rough.” This phrase refers to the fact that diamonds found in nature are rough and uneven. <- this is the figurative meaning if that’s what you were trying to get (done some research.)
Answer:
Yes, it does make a sound
Explanation:
A tree can fall and still make noise even if no one is around to hear it.
It's like if someone were talking from far away, you won't be able to hear them but they are still making sound. That's the best I've got.
Answer:

Explanation:
The speed of the sound wave is:


The frequency is:



Answer:
C. The Earth's surface is responsible for a small fraction of heat radiation to space.
Explanation:
This was pretty easy i did this!
-About 23 percent of incoming solar energy is absorbed in the atmosphere by water vapor, dust, and ozone, and 48 percent passes through the atmosphere and is absorbed by the surface. Thus, about 71 percent of the total incoming solar energy is absorbed by the Earth system.