Which two structures would provide a positive identification of a plant cell under a microscope? a. nucleus, chloroplasts b. lysosome, cell wall c. large central vacuole, ribosomes d. large central vacuole, cell wall

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.

idk what the options are but

these is a strong electrostatic attraction between the ions hence a lot of energy is needed to overcome this attraction

this is why the boiling points are so high