A student prepared four different red blood cell suspensions, as shown in the chart below. The change in red blood cell volume is principally due to the movement of... a. salt
b. oxygen
c. starch
b. water

As a result of wildfires, in grasslands. a) tree growth increases b) grass growth increases c) soil quality decreases d) invertebrate variety decreases

What best describes the structure of the declaration of independence?

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass