Answer:

Explanation:
Hello,
In this case, it is convenient to compute the car's mileage in km/L as follows:

In such a way, since the distance is measured to be 250 km, the volume requirement is:

Regards.
The moon should be between the sun and Earth
This one is beta decay (the -1 subscript tells us that)
Answer:
I would say A and D if you can pick two answers. if not then pick D