Answer:
Population density is the number of people per unit of area, usually quoted per square kilometre or square mile, and which may include or exclude for example areas of water or glaciers. ... Therefore, the worldwide human population density is around 7,500,000,000 ÷ 510,000,000 = 14.7 per km2 (38 per sq. mi.).
They came from the ground, formed hundreds of millions of years ago by decayed plants and animals.
It american cause we influse christian and others
Answer:
primary consumer
Explanation:
it would be because of how the food web is built