Warm is less heaver then cold air so warm air rise and cold air sinks
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.
Answer:
Carbon dioxide is produced, and as a gas, it was not captured to measure its mass.
Explanation:
That they are random, constant, and straight -line motion.