Which word correctly completes the sentence?

when the cast spoke the closing lines of the play, the voices filled the theater.
a.
actor's
b.
actors'

c.
actors
i need ur

Take some time to create a cultural inventory. note the components of culture that have defined you and list as many as possible here. then write about the ways your unique culture affects your communication, i need i don't know how to start it off .

1) earth's crust is made up of relatively rigid plates that ride atop earth's hot, semiliquid mantle. (2) the plates are called tectonic because they're in constant motion. (3) they can move because earth's mantle is a very hot and semiliquid fluid called magma. (4) volcanoes are a result of magma rising up or erupting through a plate, particularly where plate boundaries are moving against each other. (5) also, when plates slide against each other, causing friction along adjacent plate boundaries, earthquakes frequently occur. (6) therefore, we often find volcanoes and earthquakes along plate boundaries. (7) plates may also collide. (8) when that happens, mountain ranges are formed. (9) for example, the collision of the plate carrying the indian subcontinent created the himalayan mountains when it collided with the asian plate. which statement about this paragraph is accurate?

Can someone me with an english language arts assignment? i need someone who's an expert or good at english language ! i need correct answers only !