I would say physical, because a physical change is affecting the form of a chemical substance, but not it's chemical makeup.
Answer:
Channel 7's frequency is 117.5 MHz
Answer:
Ionosphere.
Explanation:
The atmospheric layer that is represented by F is known as IONOSPHERE.
The characteristics of Ionosphere
1. It is considered to be located in the upper layer of the earth's atmosphere due to the location of region F.
2. It is ionized by solar radiation that contains an electrical charge.
3. It functions as a reflector. This can be observed in radio waves broadcasting.
The correct answer for #8 is:
C. The original pattern of the light is distorted.
