Which one of the pulley systems below has the best force advantage? Select one:
a. Pulley I
b. Pulley II
c. Pulley III
d. The force advantage is the same.

What is the mass of the same rock on the earth

Which is not true of the intertropical convergence zone? a) it features heavy precipitation b) it's where the trade winds collidec) it's a high-pressure zone with sinking air d) it is also known as the doldrums

Madison lives near the ocean. she’s formed a hypothesis that increased concentrations of salt in the air speeds the corrosion of certain metals. if madison plans to test this hypothesis, she will have to deal with the following variables in her experiment: dependent variable: independent variable: one possible confounding variable: