Characters used Part F
Analyze the previous results by answering these questions,
Question 1
Do the pennies from the two time periods have the same volume? Do they have the same mass? Give evidence for
your answers.
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Question 2
Compare the densities of the two grouns of pennies What do you think caused

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? a. the balloons both rise. the cold balloon is larger than the warm balloon. b. the balloons rise at the same rate. both balloons are the same size. c. the warm balloon expands and rises. the cold balloon shrinks and sinks. d. the cold balloon expands and rises. the warm balloon shrinks and sinks.

How to convert a density of 0.791g/cm3 to lb/ft3

Choose all the answers that apply. as ocean depth increases, temperature decreases temperature increases pressure increases pressure decreases salinity increases density increases