The most significant outcome of the Miller and Urey experiments was that they (A)synthesized living cells from nonliving matter
(B)disproved the iron-sulfide world hypothesis
(C) proved that life did not originate on Earth
(D) synthesized organic molecules from inorganic molecules

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes

1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.

What is the process of pulling apart an n2 molecule nevermind i got it