Which of the following have contributed to historical increases in the global human population? unavailability of clean water decreases in the birth rate advances in hygiene increases in the number of deaths

Respuesta :

Answer:

What factors have contributed the most to the large increase in the human population? Factors include: Modern technology, modern medicine, the supply of food, clothing, and shelter.

The decline in U.S. population growth is likely due to a confluence of factors: lower levels of immigration, population aging, and declining fertility rates. A drop in net immigration to the United States is a key factor in the country's declining population growth rate.

Explanation:

Answer:

Advances in hygiene.