
What important warming signal is provided by Earth's lakes?
A) Cold water species of marine fish are being forced into lakes as the water levels in oceans rise with global warming.
B) Temperature stratification of the water column is leading to stability of the water,depletion of nutrients and a change in species.
C) Water levels in all lakes are rising due to melting of polar ice caps.
D) Latent heat exchange with the atmosphere is increasing as climate warms and lake waters are becoming cloudier as a result.
E) Lake water takes much longer than air to heat so lakes are creating pockets of fog that provide a negative feedback to climate warming.
Correct Answer:
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Q3: When water freezes, its volume
A) increases.
B) decreases.
C)
Q10: Which of the following is true?
A)Water has
Q11: Earth's oceans possess
A)most of the fresh water
Q13: Water covers approximately _ of Earth's surface.
A)50
Q14: Water at the surface of Earth was
Q17: Which of the following is true of
Q18: During the height of the last ice
Q19: Much of Earth's water supply originated from
A)asteroids.
B)icy
Q20: When water freezes, its density
A) increases.
B) decreases.
C)
Q20: Which of the following is true regarding
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