Answer:

Explanation:
Given that,
The speed of a driver, v = 80 km/h = 22.22 m/s
The mass of the truck, m = 2000 kg
We need to find how much internal energy is produced. The internal energy produced by a truck is its kinetic energy and it is given by :

or

So,
of internal energy is produced.
Need more details to the question
Answer: Methane
Explanation: I just took the AP€X quiz and Methane was the correct answer!
Answer:
increase
Explanation:
think of climbing a mountain. the higher you go the harder it is to breathe. its because air pressure is increasing