Global warming creates which of the following effects
a) change in population density
b) change in rainfall
c) change in human migration
d) changes in amounts of available fossils fuels

What volume of a 0.25 m solution can be made using 0.55 moles of ca(oh)2

There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system