Blood absorbs oxygen and releases carbon dioxide in the lungs' . A. picks up nutrients, water, and waste materials

B. pulmonary circulation

C. the lungs, where it picks up oxygen again

D. capillaries

E. 5

F. systemic circulation

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

Which element is the least metallic between cadmium, silver, zinc, or iron?

What type of electromagnetic waves does the human eye see as the colors red blue or green a visible light waves b radio waves c infrared waves d microwaves