Which statements correctly describe characteristics of cells? Check all that apply. A. Animal cells are all generally circular in shape. B. Plant cells come in many different shapes and sizes.
C. Only animal cells have a nucleus.
D. Bacterial cells are smaller than animal or plant cells.
E. Most cells within a living organism are alive.

Complete the sentence. the lower the hydrogen ion concentration, the the ph. higher lower closer to 7 closer to 0

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Some molecular compounds, such as hcl, ionize completely in solution. for molecular compounds such as h2co3, most molecules do not ionize in solution. which describes the properties of these two solutes? a. hcl and h2co3 have the same effect on the properties of the solution. b. hcl raises the freezing point of water more than h2co3 does. c. hcl raises the boiling point of water more than h2co3 does.