Hot wastewater is discharged into lake, lowering oxygen levels in the water. a
Chemical Change
b
Physical Change

Describe the interaction that occurs between two objects with the same electrical charge.

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

Which type of precipitation would most likely form when the surface air temperature is slightly below freezing and the air temperature increases as you move upward away from the ground?