Answer:
wear a lab apron and safety goggles
Explanation:
Saltation: Some of the fragments of the rocks move along the bed of a stream by jumping or bouncing continuously. This process is called as saltation.
As a wavelength increases in size, its frequency and energy (E) decrease. From these equations you may realize that as the frequency increases, the wavelength gets shorter.Mechanical and electromagnetic waves with long wavelengths contain less energy than waves with short wavelengths.
Answer:
All three statements are sometimes true and sometimes false
Explanation:
The Moon orbits the Earth, with the same face always toward the Earth.
1. The moon is sometimes between the Sun and the Earth. At other times, it isn't.
2. The Sun shines on the back side of the Moon, but it also shines on the front side.
3. The side that faces the Earth is sometimes dark (New moon) and sometimes lit (Full moon).