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Andreyy89
3 years ago
11

Need help on this question 50 POINTS WILL GET BRAINLYEST!!!!!!!!!!!!!!! this is 4 Scince.

Biology
2 answers:
Vilka [71]3 years ago
8 0
The answer is rain percolates through the pavement into the ground below, causing cracks in the pavemen
Alina [70]3 years ago
6 0

Answer: the 3rd one

Explanation:

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The endometrial lining is where the fertilized egg implants, or burrows and attaches itself to the uterine wall, where it will continue to grow and be nourished. There are three layers of the uterus: The perimetrium is the outer layer, the myometrium is in the middle, and the endometrium is the inner layer of the uterine wall.

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We will soon exceed earth’s carrying capacity
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Wait like actually? Do we need to get to Mars?

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3 years ago
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A biologist is studying the possible role of earthworms on the fertility of farm soils. As part of this research, the number of
dimaraw [331]

Answer:

Taking more samples from different parts of an acre.

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Validity and accuracy of the data is crucial for any serious research. In this particular case, the most accurate data would be obtained if earthworms would be counted on the whole acre. Of course, this would consume lot of time, people, money etc. That's why methods for estimation are used. Estimation best works with large number of samples. Since one acre equals over 4000 square meters, taking only five samples from such a big area is simply not enough for obtaining valid data.

One of the possible ways to improve estimation is to take more samples per acre while avoiding taking adjacent samples because it could be possible that number of earthworms in one part of an acre is increased (or decreased) for any reason, which would lead us to wrong conclusion.

8 0
3 years ago
Most governments in Africa are<br> A anarchies<br> B. unstable<br> C. democracies<br> D. monarchies
7nadin3 [17]

Answer: unstable

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Edginuity

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