Answer:
ionosphere
Step-by-step explanation:
In radio communication, skywave or skip refers to the propagation of radio waves reflected or refracted back toward Earth from the ionosphere, an electrically charged layer of the upper atmosphere
Answer:
The answer is a A. I just took a short test about it.
Step-by-step explanation:
plz give brainliest and rating
Answer:
1.65 per kg
Step-by-step explanation:
Answer:
i need help with this also it is confusing is yours a test???
Step-by-step explanation:
Answer:
A = 1.5 π in² ≈ 4.7 in²
Step-by-step explanation:
the area (A) of the sector is calculated as
A = area of circle × fraction of circle
= πr² × 
= π × 3² × 
= 9π × 
= 1.5π in²
≈ 4.7 in² ( to the nearest tenth )