In the drawing above, the distance from the ground to the floor of the trailer is 30 inches. The length of the ramp is 60 inches. What is
the mechanical advantage of this simple machine?
A. 30
B. 112
C. 2
D. 113

You open a can of soda at room temperature and hear a hiss. which of the following factors has changed inside the container? a.) atmospheric pressure b.) temperature of gas c.) type of gas d.) amount of gas

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?

Atriple covalent bond involves two atoms sharing three pairs of electrons. true false