Which Statement About Average Stream Velocity Is True

question 24

Multiple Choice

Which statement about average stream velocity is true?

• A)Velocity is higher in the upper reaches where gradients are steeper.
• B)Velocity is constant along the river's course.
• C)Velocity decreases downstream because the gradient is less steep.
• D)Velocity increases in the downstream direction.
• E)Velocity decreases downstream because of frictional forces.

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Definitions:

Miotic

Pertaining to or causing the constriction of the pupil of the eye.

Myopia

A visual condition, also known as nearsightedness, where close objects appear clearly, but distant objects are blurry.

Choroiditis

Inflammation of the choroid, a vascular layer of the eye, leading to vision problems.

Cycloplegia

Paralysis of the ciliary muscle of the eye, resulting in a loss of accommodation and inability to focus on close objects.