Which of the following negative impacts of mining involves rainwater seeping through piles of overburden, creating sulfuric acid? a) acid mine drainage b) land subsidence c) air and water pollution d) scarring of surface land

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

Which composition of water moves to begin a deepwater current?

An insulated thermos contains 148 g of water at 72.7 ˚c. you put in a 11.7 g ice cube at 0.00 ˚c to form a system of ice + original water. the specific heat of liquid water is 4190 j/kg•k; and the heat of fusion of water is 333 kj/kg. what is the net entropy change of the system from then until the system reaches the final (equilibrium) temperature?