Identify the independent and dependent variables. peter is conducting an experiment to see how much salt will dissolve in water as the temperature of the water is increased.

Which element would mostly likely have an electron affinity measuring closest to zero

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years