If a Stream Originates in a Humid Region,but Subsequently Flows

question 130

Multiple Choice

If a stream originates in a humid region,but subsequently flows through an arid region,discharge is likely highest where?

• A)Upstream.
• B)Downstream.
• C)Midstream.
• D)At an estuary or confluence with another stream.

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Definitions:

Humus

Organic component of soil formed by the decomposition of leaves and other plant materials by soil microorganisms.

Phytoremediation

The use of plants to remove, transfer, stabilize, or destroy contaminants in soil, water, or air.

Environmental Contaminants

Pollutants that are present in the environment and can cause harmful effects on wildlife, plants, and human health.

Hypertonic

Describes a solution that has a higher concentration of solutes compared to another solution, causing cells in contact with it to lose water through osmosis.