Answer:
Convection
Explanation:
Convection is heat transfer by the movement of currents within a fluid. During convection, heated particles of fluid begin to flow. This flow transfers heat from one part of the fluid to another.
Hope I helped :)
Good luck!!
The launch of Sputnik into the Earth's orbit was the most clearly prompted choice that enabled the United States to pursue the Space Race.
2. a wise and popular government in the United States is the answer