AP BIOLOGY

Detailed explanation-1: -An estuary is an area where a freshwater river or stream meets the ocean. In estuaries, the salty ocean mixes with a freshwater river, resulting in brackish water.

Detailed explanation-2: -Estuaries: Where the River Meets the Sea. Estuaries. Where freshwater rivers meet the salty open sea. There is a lot to love in an estuary.

Detailed explanation-3: -Estuaries and their surrounding wetlands are bodies of water usually found where rivers meet the sea. Estuaries are home to unique plant and animal communities that have adapted to brackish water-a mixture of fresh water draining from the land and salty seawater.

Detailed explanation-4: -Brackish water is water that is saltier than fresh water, but not as salty as seawater.

Detailed explanation-5: -Brackish water is water that has a density between that of fresh water (1000 kgs/cubic metre) and that of salt water (1025 kgs/cubic metre).