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jekas [21]
4 years ago
14

Which type of wave requires a medium in which to travel?

Biology
2 answers:
emmainna [20.7K]4 years ago
7 0

Answer:

Mechanical

Explanation:

I hope this will help you

polet [3.4K]4 years ago
6 0

Answer:

Mechanical

Explanation:

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You’ve likely heard of polar bears (Ursus maritimus) and grizzly bears (Ursus arctos horribilis). Have you heard of a grolar bea
Karolina [17]

Answer:

allopatric speciation.

Explanation:

  • When the population belonging to the same biological species becomes separated from each other due to some geographical factor such that no gene flow can occur between the two separated populations then the speciation that occurs on account of this is known as allopatric speciation.
  • The geographical isolation that separates the two groups can be the origin of a mountain,  the formation of islands, volcanic eruption, etc. which prevents the two groups fro mating with each other and ultimately causes their lineage to speciate.
  • Although the two separate populations are unable to mate due to geographical factors, if the two populations are allowed to mate again, given that they have not been separated very long ago, they can give rise to hybrids.
  • Thus, in the given question it is given that polar bears and grizzly bears have been mated and hybrids have been produced and this points out to the fact that polar bears are result of allopatric speciation.
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4 years ago
Help plz!!!
Genrish500 [490]

Answer:

Animals and plants need to get rid of carbon dioxide gasses through a process called respiration carbon moves from fossil fuels to the atmosphere when fuels are burned the ocean and other bodies of water absord some carbon from the atmosphere the carbon is dissolved into water.

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How to drugs taht suppress nerve activity lead to seizures?
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