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Vadim26 [7]
3 years ago
6

HELP!!!

Biology
1 answer:
Phoenix [80]3 years ago
3 0

There's been a lot of bad news for polar bears recently. In 2007, for example, scientists reported that if global warming continues unabated, the population could drop two-thirds by 2050.

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It is advantageous for grazing mammals to gather in groups because groups
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