What are the cellualr components of blood?

A. Plasma, Rh factor, and hormones
B. RBC, WBC, and platelets
C. Hemoglobin, Carbohydrate A, and Carbohydrate B

Which image shows labeled organelles that are present only in plant cells?

Which of the following shows the correct order in which light information travels through the eye? (2 points) lens, pupil, retina, optic nerve pupil, lens, retina, optic nerve pupil, lens, optic nerve, retina lens, pupil, optic nerve, retina

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a. control b. hypothesis c. procedure d. system