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ollegr [7]
2 years ago
6

What caused seed abundance to decrease from 1975 to 1978

Biology
1 answer:
guapka [62]2 years ago
8 0

Answer:

The finch population decreased.

Explanation:

When finches eat seeds, some pieces fall onto the ground which grow up to have more seeds. The seeds that survived were too big for a finches tiny beak. Without this cycle in place, seeds had no way to reproduce.

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What is the approximate perimeter of a semicircle with a radius of 6 cm?
aleksklad [387]
Value of pi = 3.14
Radius of the semicircle = 6 cm
Diameter of the semicircle = 6 * 2 cm
                                           = 12 cm
Perimeter of a semicircle = pi * Diameter *(1/2)
                                         = 3.14 * 12 * 1/2
                                         = 3.14 * 6
                                         = 18.84 cm
From the above deduction, we can conclude that the perimeter of the semicircle in question is 18.84 cm. I hope that this is the answer that has come to your desired help.
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