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

Respuesta :

add different quantities of water to three potted plants

Answer: C. add different quantities of water to three potted plants

Explanation:

I'll edit if this is wrong when I am done with my test but I believe this is the correct answer choice