Elena has two magnets. she puts one under a piece of paper. she holds the other one above it. the magnets attract each other. this shows that
a) magnets can attract through solid materials.
b) magnets cannot attract through solid materials.
c) magnets must be suspended in air to attract each other.
d) magnets attract when they are placed on top of each other.

•what conclusions can you make about the relationship between the volume of a gas and its temperature? • what conclusions can you make about the relationship between the volume of a gas and its pressure? • what possible variables have you not accounted for? as you did the procedures, is it possible that the atmospheric pressure may have changed? if it did change over the course of your experiment, then how would your results have been affected?