What is the concentration of H+ ions at a pH = 2?
molt
What is the concentration of H+ ions at a pH = 6?
moll
Jer How many more H+ ions are there in a solution at a
pH = 2 than in a solution at a pH = 6?

Transmission electron microscope are best for viewing a) microorganisms in pond water b) internal organs of a mouse c)internal structures of a cell d) surface features of a specimen

Wich organism obtains its energy from dead or decaying matter

Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.