In this example: "A bug repellant is sprayed on one arm the other arm is not sprayed. The number of bug bites is recorded after 2 hours."
What is the dependent variable?

2 hours

Number of bug bites

Bug spray/no bug spray

Which of the following options describes photosynthesis correctly? question 8 options: a plant uses carbon dioxide and water to make oxygen and nitrogen a plant breaks down sugar to make carbon dioxide. a plant uses sunlight, carbon dioxide, and water to make sugar and oxygen. a plant uses sunlight to break down sugars for digestion into water and oxygen.