Using a screwdriver, you try to remove a screw from a piece of furniture, but cant get it to turn. To increase the chances of success, you should use a screwdriver that
1.is longer.
2.is shorter.
3.has a narrower handle.
4.has a wider handle.
Question 2
Suppose an asteroid has a semi-major axis of 4 AU. How long does it take the asteroid to go around the Sun?
1.2 years
2.4 years
3.6 years
4.8 years