Baby Sadie gets a new rubber ducky for her first birthday! She sees that it floats in the bathtub during bath time. What do you know about the density of the rubber ducky?

It must have a density higher than 1

It must have a density lower than 1

It must have density equal to nylon

It must have a density equal equal to acrylic

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.

This is one type of line graph in which the independent variable is time plotted on the x axis and the dependent variable, also numerical, is plotted on the y axis.

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.