How many atoms of hydrogen are represented by the formula below? 4h2so4

If you let go of the notebook after lifting it, will it move? how?

What is the relationship between ozone and smog?

Acar's position in relation to time is plotted on the graph. what is the car's average velocity for segment c? a) -4 m/s b) -0.25 m/s c) 0.25 m/s d) 4 m/s