What was the average exam grade for each set of students? enter the average exam grade of students who studied, followed by the average exam grade of the students who did not study, using two significant figures, separated by a comma

Label a-f based on the table using c for concentrated and d for dilute

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

What atom has the largest atomic radius