A horse runs at a speed of 12 m/s for 15 seconds . Calculate the distance traveled by the horse in this time

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

Enzymes affect the reactions in living cells by changing the

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 !