Answer:
The continent of the Africa is not an island as its too big and is a large landmass on the earth.
Explanation:
The best and most correct answer among the choices provided by the question is the third choice ( 3 ).
Polaris is known as the north star pointing to the geographic north.
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Acid rain from Los Angeles changed the chemistry of the river, resulting in the death of many fish.Due to human activities in Los Angeles, pollution is not anymore shocking. The acid rain would be distributed to the river which would change the environment of the aquatic life.