Acar is traveling down the expressway at 12.2m/s with no acceleration. how far has the car traveled in 45s?

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter

The mantle is made up of which structural zones?

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.