Asingle-celled zygote divides many times to produce enough cells to form a multicellular organism in a process called cell

a. differentiation.
b. interaction.
c. motility.
d. proliferation.

Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.

About __ of the mass of the cell is water

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water