Select the correct answer. Which of these is an example of calcium carbonate?
ОА.
diamond
OB. graphite
ОС,
water
OD.
shells of snail

Photosynthesis converts solar energy into what type of energy?

Do you think the gene eef1 alpha1 supports cell theory? explain your response.

Ronald wants to see if a new shower cleaner works better in removing soap than his old cleaner. he uses the new cleaner on one half of the shower tiles and his old cleaner on the other half. identify the independent and dependent variables in this experiment. enter your answer in the space provided.