Answer:
why did you ask a question to answer a question
The highest mountain in the world before mt Everest was Kangchenjunga.
God has always been here which might seem weird to think about. God also created everything from ex nihilo (from nothing).
Atheists might ask this question to trip us up but you can also reverse the question... what was there before the big bang? what created that?
Answer:
Conduction, radiation and convection
Explanation:
Since air is a poor conductor, most energy transfer by conduction occurs right near Earth's surface.
As the warmed air rises, cooler air moves in to take its place. This is called convection, the energy transfer through the movement of matter.
This is what a heat island is