Cells need a structure to separate their genetic material from the rest of the cell. This structure is the cell membrane.
vacuole
cytoplasm
nucleus.

An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it

Define a is a tiny pavket of energy

Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments