Natural selection requires variation between individuals. Mutations and reproduction increase genetic variation in a population. Natural selection occurs when environmental pressures favor certain traits that are passed on to offspring.
Gravity is nest described as the attractive force that acts between any two objects on earth
Explanation:-
- Gravity was found by Sir Eizak Newton
- It has formula given by

A Liquid called Surface Tension.
Necesito los puntos es urgente
Answer:
a salt
Explanation:
compounds are made of molecules but we need to mention the type of compound formed.