May I know the explanation/reason why the correct answer is C?

Apatient is in need of hydration. which type of solution are the patient's cells most likely in?

Which of the following can be reduced by the use of renewable energy sources? a. social costs b. economic costs c. environmental costs d. all of the above select the best answer from the choices provided a b c d

What is a photon? a. part of a ribosome b. a light particle c. a carbon dioxide molecule d. part of a chloroplast b.a light particle