Which of the statements below about buoyancy is true? A. if the buoyant force is greater than the force of gravity, the object will sink
B. buoyancy is a force that acts on objects that are placed in a fluid
C. all objects that experience the force of buoyancy float
D. buoyancy pushes objects down in the same direction as gravity

In what environment would mineral formation caused by high pressures and high temperatures most likely occur?

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?

15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.