3 years ago

Soil is a mixture of

1 answer:

4 0

Soil is a mixture of broken rocks and minerals, living organisms, and decaying organic matter called humus. Humus is dark, soft and rich in nutrients. Soil also includes air and water. Organisms in the soil need air and water to survive.

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"A blood bank for a local hospital has a supply of plasma for which some have been contaminated with a virus causing hepatitis.

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The probability that the victim not getting hepatitis virus is 0.4547

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