Answer:
What do you think plants need to grow and stay healthy? Soil, water, sunlight, and oxygen. 2. Soil is a combination of tiny rock fragments and decayed plant materials.
blood flows at a high pressure, so if the arteries are thin and less muscular, the arteries can explode due to the pressure. so it needs thick and muscular properties so that it can withstand the increasing pressure of the flow of blood.
im not sure why it needs to be elastic. Hope it helped :)
Answer:
A few examples could be an increase in food, an increase in shelter, a decrease in predators, or more land.
