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Biology 7 Online
OpenStudy (anonymous):

If water vapor continued to increase in our atmosphere, what changes would you expect in freshwater lakes? Answer Lake temperatures will decrease, but dissolved oxygen in the water will increase. Lake temperatures will decrease along with dissolved oxygen in the water. Lake temperatures will increase, but dissolved oxygen in the water will decrease. Lake temperatures will increase along with dissolved oxygen in the water.

OpenStudy (anonymous):

The third one

OpenStudy (apoorvk):

@steph_rawr352 will you explain how?

OpenStudy (anonymous):

ya can u explain so i can understand it and thank u

OpenStudy (anonymous):

Water vapor is like a greenhouse gas so the temp would increase even the lake's and that would reduce the amount that can be evaporated.

OpenStudy (anonymous):

the last one as hot lakes will mean more evaporation and when the water comes down it will bring oxygen, but then water going out will reduce oxygen as well, so all i can say is warmer lakes not about oxygen

OpenStudy (anonymous):

i meant one of last two

OpenStudy (anonymous):

seems steph knows so she should be right

OpenStudy (apoorvk):

i think that the temperature will increase, since evaporation will slow down due to an already greater amount of water vapor being present. now since we know, water molecules evaporate from the water bodies after gaining enough kinetic energy from the water body (so that they can surpass the inter-molecular force of attraction). so less evaporation means less absorption of energy, or heat from the oceans. hence the the temperature will increase. but what about oxygen?? hmm let me think...

OpenStudy (anonymous):

apoor we have already concluded thatt :P

OpenStudy (anonymous):

i have a much better understanding now..Thank u sooo much can u help me with my other one plz

OpenStudy (jacobbenvenutty):

(Just so future people know) you guys were right the answer was: Lake temperatures will increase, but dissolved oxygen in the water will decrease.

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