The sun's energy is made up of burning hydrogen and helium.
Answer:
When the entire lake reaches 40 F, the surface water cools further, dropping below 40 F. Because this water is now less dense than the surrounding water, it will stay on the top and continue to cool. Once the surface water falls to 32 F, it freezes. The freezing then spreads downward into the lake and the ice thickens
Explanation:
Answer:
Explanation:
Coastal mountains: colliding tectonic plates near land
Volcanoes: A portion of the crust in a seduction zone near melting
earthquakes: A sudden shift between two touching plates
Tsunami: An undersea earthquake
C. be a social contract between citizens and their leaders.
