Answer:
18
Explanation:
The s-, p-, and d-block elements of the periodic table are arranged into 18 numbered columns, or groups.
I think that answer is D) Which heavenly body is casting the eclipse.
A solar eclipse is the obstruction of the sun by the moon while an lunar eclipse is the blocking of the moon by the earths shadow.
Answer:
he started at his house and then left his house
Explanation:
For any object to move at a constant velocity, the net force acting on the object must be ZERO.

Pressure Law: constant volume
Convert all Temperatures to Kelvin
0°C= 273K

answer= 312Kelvin