Which Statement About the Black Sea Is False

question 38

Multiple Choice

Which statement about the Black Sea is false?

• A) Its waters are well oxygenated from the surface to the floor of the sea.
• B) Because it is nearly land-locked, it exchanges little of its water with other ocean waters.
• C) Native predators and parasites failed to regulate its sea comb population.
• D) The state of its ecosystem improved between the early 1990s and the late 1990s.

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Definitions:

Parathyroid Gland

Gland embedded in the posterior surface of the thyroid gland; it produces parathyroid hormone.

Weakened Bones

A condition, often due to osteoporosis, where bones become fragile and more prone to fractures.

Cortisone

A steroid hormone produced by the adrenal cortex or synthetically, used medicinally to treat inflammation and adrenal insufficiency.

Cortisol

Glucocorticoid secreted by the adrenal cortex that responds to stress on a long-term basis; reduces inflammation and promotes protein and fat metabolism.