Rhianna and Logan start at the same point and walk due north. Rhianna walks with an average velocity .
Logan walks three times the distance in twice the time as
Rhianna. Which of the following expresses Logan’s

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 2 options: 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 cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.

Decreased sensitivity to an unchanging stimulus is known as

If you put a helium-filled balloon in the refrigerator, what will happen?