Because we can reproduce with just one and if more eggs were released, the female reproductive life (which is 40 years) would be shorter and so there would be less time for every female human to reproduce since the amount of eggs is limited. (Also fraternal twins come from 2 eggs released at the same time)
The initial velocity (its speed before falling off) is approximately 1.95 m/s
Explanation:
Johannes Kepler, working with the data carefully collected by Tycho Brahe without the help of a telescope, especially those related to the retrograde motion of Mars, realized that the motion of the planets could not be explained by his model of perfect polyhedra. Coming to the conclusion that all the planets move in elliptical orbits, with the Sun in one of the foci.
Answer:

Explanation:
According to Charles Law
=> 
Where
= 0.0279 m³,
= 280 K and
= 320 K
=> 
=>
= 0.03189 m³
Answer:
Solu.tion- salt.water
Suspension- soil mixed water
Colloid- gelatin