What is mechanical advantage? A. It is used to create friction.
B. It is a basic machine that makes work easier.
C. It is the number of times a machine
multiplies the effort force.
D. It is how much buoyancy an object has.

Which is a characteristic of mixtures?

Which statement best explains the relationship between an area is geography and the temperature of its surface water

3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.