Efficiency is a measure of how much of the work put into a machine is converted into useful output work. Why can efficiency never reach 100%? А) acceleration
B) elasticity
C)friction
D) gravity

You need to make 500ml of 7h9(+) media with 1x adn and 30ug/ml of the antibiotic kanamycin. your stock solutions are 10x adn and 30mg/ml of kanamycin. the solvent is distilled water. how much of each component will you need to make the desired final solution?

Which organelle releases chemicals that break down large food particles into smaller ones?

Compare the composition of the moon's surface with the composition of the earth's surface.