Answer:
Natural selection is the process through which populations of living organisms adapt and change. Individuals in a population are naturally variable, meaning that they are all different in some ways. ... Individuals with adaptive traits—traits that give them some advantage—are more likely to survive and reproduce.
Answer:
crops is a renewable resources, coal, natural gas and oil are not renewable as they will not last forever.
There is approx 4.7-5.5 liters of blood in his or her vascular system.
Yes it will affect the ph level