IGCSE States of Matter Solid Liquid and Gas Questions and Answers




















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What is a Salt?

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What is Intertidal zone? Define Estuary.

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What is Intertidal zone? Define Estuary. I ntertidal zone : O ceans are divided into zones. The shallowest part of the ocean ecosystem is called the intertidal zone. The  intertidal zone  is the area where the ocean meets the land between high and low tides. Estuary : The boundary where freshwater feeds into salt water is called an estuary . An  estuary  is an area where a freshwater river or stream meets the ocean.
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What are Enzymes?

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