I need help with this chart the biggest circle is 3 inches the next 2 1/2 inches and the smallest 2 inches

Sara is creating an experiment. her hypothesis states the following. if i increase the air in my tires, then i will get better gas mileage. if this is her hypothesis what column titles do we need in our date table? a. air pressure in tire (psi) and gas mileage (mph) b. air pressure in the atmosphere (psi) and gas mileage (mph) c. miles (m) and gallons per mile (g) d. old battery and new battery

Spend time observing or thinking about events that involve matter and energy. which events can you explain? which events can’t you explain?

Name three different units of energy used to measure heat and describe what type of situations each is usually used.