Explanation: Soil includes 40-45 percent inorganic matter, 5% organic matter, 25% water, and 25% air. The right combination of air, water, minerals, and organic matter is essential for plant life to thrive. Microorganisms (both dead and alive) and decaying plants make up humus, the organic stuff in soil.

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2 years ago

Why do debris flows contain a variety of sediment sizes?a. Intense rain generates surface flow with the power to move lots of se

My name is Ann [436]

Answer:

e. All of these

Explanation:

As the debris is geologically event with the water-laden masses of soils and rocks fragments and fall down from the mountains and a funnel into the stream channels and also, objects there paths with thick mud and blocks valleys. The volume if the debris flows generally ranged from the 100,000 cubic meters and frequent n the mountainous regions and can be very destructive.

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2 years ago

Why is the US called a “nation of immigrants”

podryga [215]

Because throughout the nation’s history, various people from many countries (primarily European) have immigrated to the country. For example, there were many Irish, Italian, Chinese, and German immigrants in American cities during the early 1900s. Even today, there are still some immigrants, such as those from Latin America and some Asian countries.

6 0

2 years ago

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