Miguel wants his toy car to reach the bottom of a ramp as fast as possible. which ramp will result in the fastest speed?

a. a carpeted ramp
b. a wood ramp
c. a sandpaper ramp
d. a cork ramp

plz

This is the substance(s) formed in a chemical reaction.

The force needed to overcome static friction is usually less than that needed to overcome kinetic friction.true or false?

4. now look at the green lines you created by connecting the three boiling point data points and the three melting point data points. for each of these lines, describe any trends you see. 5. locate the elements on your periodic table that you circled in green on your graph. what term or description would you use to identify these elements with respect to the periodic table? 7. using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers.