157.1 cm ^2 , because the small shaded semicircle equals the other small unshaded semicircle. So it’s the area of half the circle.
Answer:
The air at higher altitudes is colder, less dense, and contains fewer oxygen molecules. This means that you need to take more breaths in order to get the same amount of oxygen as you would at lower altitudes. The higher the elevation, the more difficult breathing becomes
Explanation:
I’ll let u know as soon as i get the answer!! i did some work like this i think i can figure it out
They have power over the executive branch, think retired monarchies
Answer:
didn't understand can you elaborate it
