The surface waters in regions of coastal up-welling are cold and nutrient-rich, promoting robust growth of plants and the animals that feed on them. ... When too many nutrients are released into seas, bays, and estuaries, it can create an overabundance of decaying plants and animals, depleting oxygen from the water.
Answer:
Your correct answer is A. 1,2,1,2
Explanation:
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Answer:
if you want to find average speed so u need to use this formula
Average speed = 
The answer will be 17.9 grams