Ecuador has the highest population density.
For this translation, you need to replace every occurrence of "x" with "x-3", and every occurrence of "y" with "y+5".
Answer:
The mineral zircon adds three more fundamental advantages to uranium–lead dating.
Explanation:
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.
