Which statement correctly explains one of Newton's laws of motion? A. Newton's third law states that objects change their motion when a nonzero net force is applied.
B. Newton's third law states that whenever a force acts on an object, that object applies an equal and opposite force back.
C. Newton's second law states that objects change their motion when a nonzero net force is applied.
D. Newton's second law states that whenever a force acts on an object, that object applies an equal and opposite force back.

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 8 options: the cold balloon expands and rises. the warm balloon shrinks and sinks. the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the warm balloon expands and rises. the cold balloon shrinks and sinks.