I thinks it’s D but not sure
Answer:
The answer is a. they are much like empty rooms.
Explanation:
Cells are pretty much the opposite of empty rooms. There are many organelles and processes happening in them, so there's no space for empty rooms. Even when there are spaces, which anyway would be full of liquid, these spaces have a purpose.
Answer:
break down/ or release gas into the air
Explanation:
a car's engine is limited when it is running for certain periods of time, this casues pollution as a result of gas expelled from the car
