Please help make this make sense.

No copying 15 pts how does a free-body diagram tell you about the net force on an object?

Maya wrote if you step to describe how carbon circulates between the atmosphere and living organisms

To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. a chemical engineer places a mixture of noble gases consisting of 4.37 g of he, 13.36 g of ne, and 36.65 g of kr in a piston-cylinder assembly at stp. calculate the partial pressure in torr of kr.