Which sentence uses commas correctly?

a.
no, i haven’t started, reading that book.

b.
no, i haven’t started reading that book.

c.
no i haven’t started reading, that book.

d.
no i haven’t started, reading that book.

Along the sea-sands damp and brown the traveller hastens toward the town, what is the effect of the enjambment in these two lines? it emphasizes the idea that each line is a separate thought. it creates a rhyme scheme between the two lines. it encourages the reader to pause between the two lines. it strengthens the connection between the two lines.

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?

Which choice is a major detail from paragraph two? a) the great wall is a large network of several walls and towers. b) the great wall looks like a long wall snaking its way across china. c) the great wall was constructed over hundreds of years beginning in 221 b.c. d) the great wall construction encouraged several independent kingdoms to unite.