What type of communication is unique because there is a distance between the speaker and the audience

What is the answer for the question

Match each fossil with the layer where it’ll be present based on those conditions.

Which statement best describes gravity? it is the force that repels only very small objects. it is the force that acts between objects with zero mass. it is the force that sometimes acts only on very large objects. it is the force that acts between any two objects in the universe.