In the table below, which statement would best fill the missing box under Open System? Open System

Closed System

Matter freely moves

Matter does not freely move

Energy can enter or leave

(2 points)
Energy is constant
Energy is not exchanged
Energy is freely exchanged
Energy does not freely move

Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.

Which process is represented by the pv diagram? a. the isobaric process b. the isovolumetric process c. the isothermal process d. the adiabatic process

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?