ECOLOGY
HUMANS AND THE BIOSPHERE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Taking too many organisms
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Runoff from land
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Species introduced by human activities
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Detailed explanation-1: -Runoff pollution refers to the contaminants picked up by rainwater and melting snow that washes off the many impermeable surfaces found in urban environments. It is a threat to both the quantity and quality of our water supply. surfaces like these: roads.
Detailed explanation-2: -Nonpoint source pollution is caused by rainfall or snowmelt moving over and through the ground. As the runoff moves, it picks up and carries pollutants into lakes, rivers, wetlands, coastal and ground waters.
Detailed explanation-3: -Runoff occurs when there is more water than land can absorb. The excess liquid flows across the surface of the land and into nearby creeks, streams, or ponds. Runoff can come from both natural processes and human activity.
Detailed explanation-4: -Uncontrolled stormwater runoff has many cumulative impacts on humans and the environment including: Flooding-Damage to public and private property. Eroded Streambanks-Sediment clogs waterways, fills lakes, reservoirs, kills fish and aquatic animals. Widened Stream Channels-Loss of valuable property.