The approximate composition of the atmosphere is shown in the pie-chart. which statement best describes the chart?
a) the chart shows the percentages of elements in a mixture.
b) the chart shows the percentages of elements in a compound.
c) the chart shows the percentages of pure substances in a mixture.
d) the chart shows the percentages of compounds in a pure substance

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma

Need what is special about water as a compound? how does water regulate climate? what drives water evaporation?   why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation?   what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !

Give more examples of this type of heat transfer: