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ser-zykov [4K]
3 years ago
5

(5 points)

Biology
1 answer:
Sphinxa [80]3 years ago
7 0

Answer:

Groundwater is the water available under Earth's surface in soil pore spaces and in the fractures of rock formations. A unit of rock also known as a unconsolidated deposit is called an aquifer when it can yield a usable quantity of water.

Explanation:

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A. An ecosystem

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An ECG or Electrocardiogram is a method to diagnose the heart conditions to check the normal functioning of the heart.

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Learn more about Heart here, brainly.com/question/16566688

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