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Alchen [17]
3 years ago
14

Why do whales and dolphins have blow holes??

Biology
1 answer:
Zepler [3.9K]3 years ago
5 0
Because they are marine mammals and they need them to breathe out of
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Damage is caused to an ecosystem by adding fertilizer because some of the substances to the fertilizer is toxic or create bad reactions. 


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In Japan, food scientists have produced a type of watermelon that is square instead of
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Genetically modified (GM) foods are the ones came from organisms whose genetic material (DNA) are altered as they do not occur naturally. Food shortage, cost, variety can make people support the GM foods, while, religious beliefs, allergy, and worrying about the food can limit the support for these foods.

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For more details regarding genetically modified crops, visit:

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