Soils, forests and minerals are among earth's "Natural Resources".
In (A. Dalton's) atomic model, negative electrons orbit the positively charged nucleus.
Answer: I think, the number of oscillations in a given period of time.
Explanation: Well I guess because in a period time is known as the rate of occurrence of the wave. Hope this helps!
Answer:
It depends on the size and density but No.
Explanation: