Suppose three different people take measurements of the height of a skateboard ramp. The three measurements are 27.4 cm, 27.5 cm, and 27.5
cm. The actual height of the ramp is 30.5 cm. Which of the following best
describes these results?

Drag each item into the proper state of matter category.

What is a carrier wave and how does it affect what you hear on the radio

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.