A heater on the first floor of the school makes the air on the second floor warm. what is it conduction convection or radiation

Which medullary index indicates a human hair? a. 0.653 b. 0.733 c. 0.516 d. 0.256

What are the 3 types of artificial cloning

Which of the following statements about protists are true? a.they are typically found in moist environments. b.they are all unicellular. c.they have a nucleus. d.they are all multicellular.