Do you have any advice for someone who will study biology in grade 12?
Thank you in advance!

Disinfection of impression materials is usually accomplished by a. sterilization with high heat. b. spray or immersion in a chemical disinfectant. c. sterilization with steam under pressure. d. allowing the impression to sit 24 hours in water until all the organisms die.

Which of the following is an advantage of solar energy?

Why are common names a problem for scientist?