Why are no two estuaries alike?

Two estuaries are not alike because their characteristics are base on the local climates,freshwater that flow into it, water currents and the pattern of tidals.

Explanation:

Estuary refers to the area or region where fresh water a stream or river join and meet with salt water from ocean or sea. Therefore the fresh water from river then mix with the salt water from ocean and thus form what is called brackish water.

Two estuaries are not alike because they have different local climates, different fresh water that flow , different water current and different tidal patterns.

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called