Hello sorry for the late replay but my best answer is going to be
A.)
Friction works in the direction opposite of motion
Unequal reproductive success - Accumulation of favorable traits over time. Unequal reproductive success. heritable traits best suited to the local environment are more likely to survive and reproduce. Accumulation of favorable traits over time.
The rate and direction of reactions are greatly influenced by the Law of Mass action or molecular concentration because they relate to the same principle
A scientist would use, C. Weather Balloon.
It is important because it breaks down the food eaten by the animals into nutrients which are needed for their bodies to function well. Not only it is important to animals but also to humans. <span>Food and drink must be changed into smaller molecules of nutrients before the blood absorbs them and carries them to cells throughout the body.</span>
