CO2 or carbon dioxide. You breathe it out and it is one of the greenhouse effects gasses that need to be limited.
Answer:
B
Explanation:
It creates an equal amount of p energy.
REMEMBER: ENERGY CAN NEVER BE CREATED OR DESTROYED.
The answer should be false because it doesnt say if the car is traveling at constant speed. The cars speed can be various so that in total for 2 hours that it travels it passes 80 miles. If however it actually traveled at constant speed than the answer is true.