Which trait enables a polar bear to survive an extremely cold climate. sharp teeth learning to swim thick fur keen eyesight

Option (c) is the correct answer.

Explanation:

Polar bear has two layers of fur and a thick layer of fat called blubber. These layers help a polar bear to maintain warmth in his body.

These layers keep the temperature of polar bear about .

Therefore, we can conclude that out of the given options, thick fur is the trait which enables a polar bear to survive in an extremely cold climate.

c) always accurate

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messi

it is to be noted that an alpha particle is an helium nucleus. so it contains 2 protons 2 neutrons and has a mass number of 4. when alpha decay particles are ejected from the nucleus it gets transformed into an atom which has atomic number less than 2 and a mass number less than 4.

an equation that could represent alpha decay is radium 226 decay of alpha particle forms radon 222.

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