The answer is:
A - decreasing the distance between the moon and the planet
Did you know vacuums used to be horse pulled Singapore btw
An estuary is where salt water and fresh water meet. Estuaries are usually found at the edge of the coast, where the ocean water, or salty water, meets river, lake, any fresh water source, water.
A tributary is something completely different. It is a, usually smaller than the main river or lake, river/stream stemming off a bigger river or lake, or flowing into that river or lake.
The answer is Pennsylvanian. I worked on this before. The Pennsylvanian era is a subperiod of the Carboniferous Period. i really hope this helps :)
Answer:
Explanation:
According to a new WWF book, agriculture – the largest industry in the world – is one of the biggest threats to the environment. Inefficient food production and harmful agriculture subsidies are causing deforestation, water shortages and pollution.
