Which of these is an example of an experiment?

plant growth is affected by temperature
leaves may change color due to temperature
add different quantities of water to three potted plants
the plant which gets the most sunlight grows the fastest

Consider two metallic rods mounted on insulated supports. one is neutral, the other positively charged. you bring the two rods close to each, but without contact, and briefly ground the the neutral rod by touching it with your hand. show answer correct answer what would be resulting charge (if any) on the initially neutral rod

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

Amira pulls a 3 pound wagon 4 feet. how much work has she done?