Multiple Choice
Consider a lake that is uniformly 10°C. What happens to the oxygen-rich surface water as it cools down to ?
A) The oxygen gets squeezed out as the microcrystals form.
B) Its rate of evaporation decreases which has the effect of increasing the oxygen concentration.
C) It grows less dense and remains at the surface.
D) It grows more dense and sinks towards the bottom.
Correct Answer:

Verified
Correct Answer:
Verified
Q3: Like water, hydrogen fluoride, HF, and ammonia,
Q7: Why is calcium chloride, <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6000/.jpg" alt="Why
Q9: What would happen to the oceans if
Q11: If the specific heat of aluminum is
Q15: Heat is given off by a substance
Q18: What is the boiling temperature of a
Q21: Why do ice cubes get smaller when
Q35: If it takes 200 J to raise
Q41: From the diagram above describing the phase
Q76: Water coming out of volcanic sea vents