I believe that the first one is correct because if you have a ball that Weighs 5 pounds and you push it down a ramp it will hit the end with more force than a ball that weighs 2 pounds
When light crosses the boundary between layers with different densities, the light is refracted. (A).
Answer:
Below
Explanation:
Incredible amounts of fossil fuels are used to mine for materials, buil and transport electric vehicles
Electric vehicles use electricity to charge their batteries. Most electricity is generated using fossil fuels such as natural gas and coal .
Answer:
false
Explanation:
sound travels slower than light. that is why we see lightning before we hear the thunder
