Bottom.
On the top because that is where the ice is
As height increases temperture decreases. So the higher you are the colder it is.
circulates from the bottom to the top
if lake surprise is on top of a purple hippo, then yes, there is a purple hippo at the bottom of lake surprise!
There is no vertical air movement
Rivers and streams turn over because of changes in temperature. During the day the weather is warm and the water at the top of rivers and streams heat up. At night the air cools and the heated water sinks causing the water from the bottom to rise up.
What direction is Lake Ontario from Lake Michigan?
Fish are usually at the bottom of a lake in the middle of the day. Some swin up to the top to get food.
colder temperatures and lower light levels limit the types of organisms that can live in deep lake waters
Yes. The Mackinac Bridge is regarded as the dividing line between Lake Michigan and Lake Huron (as this represents the narrowest point between these two connected bodies of water).
It can. One area may be warmer than the other which would reduce shelf life. Usually, the bottom of the fridge is colder than the top, but it is a good idea to check that with a calibrated thermometer.
Because hot water weighs less (steam) than ice.