Answer:
The physical layers exactly match the compositional layers.
Explanation:
Answer:
The celestial sphere is a fictional sphere to which all celestial objects can be projected.
Explanation:
At any time an observer can see only the half of celestial sphere because the other half lies under the horizon. The celestial sphere is the medium used for sphere astronomy. The celestial sphere does not have a defined magnitude. It can be infinite or at least really big.
Hhhhhhhhhhh or HHHHHHHHHHHH both are grammatically correct
Hhhhhhhhhh is a sign of slight exasperation while HHHHHHHHHH is very high levels of frustration.