Consider two shopping carts, one empty and one full. You want to accelerate both shopping carts to 3 m/s. Which cart will require more force?

Which formula can be used to calculate the molar mass of hydrogen peroxide

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

What causes different colors to appear in the sky? the absorption of light by air molecules the reflection of light by bodies of water the greenhouse effect in earth's atmosphere the scattering and reflection of light by dust particles