I suppose right answer is d because staellite means an object that move around the larger object and Jupiter also moves around the Sun
Animals will then have to adapt to their new environment. they might have to change their diet and get new homes.
Answer:
a)

b) 
Explanation:
The net force on the car must produce the centripetal acceleration necessary to make this circle, which is
. At the top of the circle, the normal force and the weight point downwards (like the centripetal force should), while at the bottom the normal force points upwards (like the centripetal force should) and the weight downwards, so we have (taking the upwards direction as positive):

Which means:

The limit for falling off would be
, so the minimum speed would be:

Water expands when it freezes (that's why you should never put closed, fully filled water bottles in the freezer !)