Question

i. What is river Estuary and how is it formed?​

Answer 1

Answer:

it is formed by small rivers near ocean meet

Answer 2

ANSWER

Initially, estuaries were formed by rising sea levels. The sea level has slowly risen over the last 12,000 years – since the end of the last ice age – but has remained relatively stable during the last 6,000 years. As the sea rose, it drowned river valleys and filled glacial troughs, forming estuaries. Once formed, estuaries become traps for sediments – mud, sand and gravel carried in by rivers, streams, rain and run-off and sand from the ocean floor carried in by tides. Tidal flats build along the shore as these sediments accumulate.

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