which of the following is are neutral atoms of carbon and which are isotopes of carbon? (carbon has an atomic number of 6 and an atomic mass of 12) neutral: a isotope: b and c neutral: b isotope: a and c neutral: c isotope: a and b neutral: a and c isotope: b

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?

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

If there are 350 trout found in 200 square feet of a pond measuring 1000 square feet what is the estimated trout population of the pond? a. 1350 b. 1550 c. 1750 d. 2000