The earth began as a cloud of dust and hot, shining gas. When our planet began to cool, its surface solidified, surrounded by clouds of water vapour. When this vapour condensed (changed into liquid) and began to fall like rain, seas, and oceans formed in the hollows of the Earth’s surface. Oceans are huge expanses of water which separate the Earth’s continents. The largest ocean is the Pacific Ocean, second, the Atlantic and third largest, the Indian Ocean. Seas are smaller expanses of water, almost always flowing either into oceans or other sea. The waters of the seas and the oceans are always salty, because they are rich in mineral salts and especially sodium chloride, which is the salt used in cooking.
Science is a systematic process by
Complete question, Answer, and Explanation:
Due to technical problems, you will find the complete question, answer, and explanation in the attached files.
Answer:
<u><em>Water Pollution</em></u>
Explanation:
<u><em>Dumping trash in the ocean and the smoke from factories goes in the water which makes the ocean more acidic and having less oxygen. </em></u>
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<em>~Hope this Helps~</em>