Around 1800 (plus or minus about 5 years) is when it was estimated that the world's population had reached 1 billion.
The answer is 400 million gallons
Answer: A positive feedback loop occurs in nature when the product of a reaction leads to an increase in that reaction. If we look at a system in homeostasis, a positive feedback loop moves a system further away from the target of equilibrium.
Answer:
Proper cleanliness of water..
A bay is a water-body bounded by land on all three sides, and a peninsula is a piece of land sticking off a bigger piece of land and surrounded by water on all three sides.
