Soil erosion removes the top soil that is the most valuable part of the soil for agricultural purposes. With this loss of important soil, there is lower yield but higher cost of cultivation.
Soil erosion will work its way downstream that will find its way into the water systems of cities. The top soil may contain pesticides and fertilizers. The soil will also find its way into streams and rivers where it could possibly clog up the natural channels of waterflow.
<span>scarcity exsist becaues our needs
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Answer:An invasive species are organisms that are not native to the ecosystem or either the environment and causes damage and harm to the ecosystem.For example a rabbit comes into a ecosystem and eates all of the plants,then the type of species of rabbit is going to damage and destroy the ecosystem habitat or foodwebs etc.
Explanation:The things is that invasive species damage the ecosystems by eating all of the food that is need for the foodwebs and organisms to maintain and balance the environment around them.Also the reason why invasive species causes a threat to the environment by damage organisms habitats and leading organisms to having a habitat to organinsms that are losing their habitat because of invasive species.
Because of the crazy large population.