Answer:
They add sulfur oxide to the atmosphere causing acidic rain.
Explanation:
At combustion , they release pollutants like sulfur and Nitrogen oxides to the atmosphere which contributes to the formation of acidic rain and smog among other negative consequences.
Answer:
A specific field of chemistry that specializes in studying the chemical compounds and reactions inside organisms.
Explanation:
Mud will keeo the foot print thing of it like this you cannot walk on water so there is no footprint sand blows easy so it wont stay either mud is soft and moldable so your footprint would stick and you cant have a footprint on rock cause its hard