Author Question: Which will melt more ice when placed on its surface, a kilogram of wood or a kilogram of iron of the ... (Read 86 times)

awywial · **on:** Jul 29, 2018

Which will melt more ice when placed on its surface, a kilogram of wood or a kilogram of iron of the same high temperature?

A) 1 kg of wood.
B) 1 kg of iron.
C) both the same
D) neither of these

Question 2

When water vapor changes phase to become water in a cloud, the surroundings become

A) cooler.
B) warmer.
C) both of these
D) neither of these