Explain why the earth has a magnetic field

Aflashlight produces light using energy from the batteries. in which order does the energy change form? a. from chemical to electric to light energy b. from electric to light to chemical energy c. from electric to chemical to light energy d. from light to electric to chemical energy

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water