The correct answer is - biomass from the decomposing grasses.
The Midwest is a region known for its highly fertile soil. The reason for this is that the weathered bedrock combines with huge amounts of biomass. The biomass is almost entirely form the grasses. The grasses grow naturally in this region and they dominate the landscape. They grow and die out relatively quickly, as most of those grasses are one season grasses. They manage to create very large amounts of biomass every year, and also they decompose very quickly. The grasses also are high in nutrients, so once decomposed, they give the soil a lot of nutrients as well, which makes it very fertile and suitable for agriculture.
<span>Under a unitary type of government, there is one central government. This type of government provides citizens with the right to vote on issues within their state and within the country. Local citizens can also become involved in local politics and hold offices in city, county and even state positions.</span>
Answer: A sharp increase in population around the world
Explanation:
Natural disasters such as flooding, land slides and mass wasting are closely related to the effects of creating room for an increasing population. The expansion of human habitation and industrialization put a lot of strain on the environment by depleting forests, altering the course of rivers for irrigation and pollution.
Natural disasters are accompanied by huge economic losses in the form of loss of property and disruption to business activities.
