The third one is true
your metabolism slows when u get older ,
and ur metabolism can speed up or slow down
Answer:
The risks are high. You will develop headaches, dizziness. The worst is heart disease and lung cancer from the chemicals. Stop driving cars. They excrete the chemical Carbon Monoxide, Sulfur dioxide. The factories also cause this. Which make nitrogen oxide and methane. We can stop making these car and factories to help us breathe.
Explanation:
