Answer:
1.Atria push blood into the ventricles
2.Venticles push blood out of the heart.
<span>The phosphate enters the ecosystem and becomes tied up in the biogeochemical system where it is recycled. The rapid growth of aquatic vegetation and/or increase in the algal population can cause the death and decay of vegetation and aquatic life because of the decrease in dissolved oxygen levels.</span>
Answer: its D
Explanation:
BC THERES DIFFRENT PLACES TO GO AND DIFFRENT CORRDINATS
Answer:
In cities due to high population and presence of more services.
Explanation:
Most shopping malls are present on that location where human population is higher such as cities and towns because people are the customers who bought the products present in these malls. The owners of malls built malls in the cities due to the presence of high population of peoples in order to sale more products to the people and earn high profit. these malls also built in cities due to the presence of services such as electricity and water etc.