A. 20m/s because the unit for velocity is m/s
Answer:
Nothing is more important to us on Earth than the Sun. Without the Sun's heat and light, the Earth would be a lifeless ball of ice-coated rock. The Sun warms our seas, stirs our atmosphere, generates our weather patterns, and gives energy to the growing green plants that provide the food and oxygen for life on Earth.
Explanation:
The answer is 1 the first one is the only one that makes sense
Answer:
The efficiency of the constuction is 9.0
Explanation:
