Answer:
The heat equation can be written as. ∂ u ∂ t = α ∇ 2 u. where u(x, y, t) is the temperature field that varies in space and time, and α is the thermal diffusivity constant.
It is a completely false statement that a <span>pond is a small body of water that is too shallow to permeate, and the lake is a large body of water that is deep enough for sunlight to permeate. The correct option among the two options that are given in the question is the second option. I hope the answer has helped you.</span>
When the temperature rises the ice in antarctica will melt causing the sea levels to rise. I think that is the answer. hope it helped
<span>There wasn't many vaccinations back in the day and medicine slowly developed through years passing by. Also eras such as the Black plague and others really helped develop medicines and vaccinations moving forward for people to use.
Hope this helps.</span><span />