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riadik2000 [5.3K]
3 years ago
14

Why are pollen grains useful when studying the climate history of a region?

Geography
2 answers:
Stels [109]3 years ago
8 0

Answer:

D

Explanation:

i just got it correct on edg...

nikdorinn [45]3 years ago
4 0

Answer:

(D) They provide clues about the types of plants that grew in a region at a particular time.

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Explanation:

6 0
3 years ago
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In the exceptionally cold winter of 1997, Lake Superior froze over between the Wisconsin mainland and Isle Royale. A pack of 8 w
Oksanka [162]

Answer:

In the exceptionally cold winter of 1997, Lake Superior froze over between the Wisconsin mainland and Isle Royale. A pack of 8 wolves crossed the ice and reached Isle Royale, an island where they encountered a population of about a dozen wolves. It is estimated that the wolf population on Isle Royale has been isolated for over 100 years (~10 generations). The pack of 8 wolves that crossed the ice would be referred to as <u>founder population</u> and if the wolves interbreed with the island population, <u>genetic drift</u> will occur.

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Genetic drift is defined as change in the allele frequencies in a population due to chance event. As in the given scenario, the pack of 8 wolves that crossed the ice, interbreed with the island population, thus change in the allelle frequency is occuring in the population , hence <u>genetic drift</u> will occur.

3 0
3 years ago
What term refers to the formation that grows downward from the top of the cave?
andrey2020 [161]
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Answer:

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sorry!! about my explainations!!

4 0
3 years ago
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