Cold water holds more dissolved gas than warm water.
Cold water also tends to collect in the lower levels of a lake.
However, in summer, oxygen levels in a lake can be highest
in the warm surface water of a lake. Explain why.

The temperature and salinity of water influence how much oxygen it can hold. Warm water holds less dissolved oxygen than cold water because the molecules are moving faster than in cold water and thereby allow oxygen to escape from the water.

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Cold water holds more dissolved gas than warm water. Cold water also tends to collect in the lower levels of a lake. However, in summer, oxygen levels in a lake can be highest in the warm surface water of a lake. Explain why.

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Cold water holds more dissolved gas than warm water.
Cold water also tends to collect in the lower levels of a lake.
However, in summer, oxygen levels in a lake can be highest
in the warm surface water of a lake. Explain why.