What are sea water, soil, air made of?
| February 9, 2021 | education
Sea water, soil, air are mixtures because they consist of several components:
a) in addition to water, sea water contains various salts, from which it becomes salty and slightly bitter;
b) the soil consists of sand, clay, mineral salts, water and humus;
c) air consists of different gases: nitrogen (78%), oxygen (21%), carbon dioxide and others.
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