John wonders if adding salt to water will affect how long it takes the water to freeze. John thinks that salt water will freeze more quickly than fresh water. What kind of variable is the time duration it takes water to freeze.

Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .

Consider the venn diagram of plant reproduction. where in this image, areas a - d, would you insert the picture of the orange lily?

Use the distance formula to determine weather each pair of segments have the same length