The Cp of water is 4, 180 J/kg 0C The Cp of aluminum alloy is 900 J/kg0C.
The minimum mass of water needed is kg?

c- cold periods in earth's history during which glaciers covered much of the surface.

explanation:

since electrons are negative the answer is neagtaive

the correct answer would be b. amelia, because the particals of gas move really fast (charged particals) and gas also has a lot of room (particals move independently) so the only answer that has both of those is amelia's.