How does limestone become marble?

Marble forms when sedimentary limestone is heated and squeezed by natural rock-forming processes so that the grains recrystallize. If you look closely at a limestone, you can usually see fossil fragments (for example, bits of shell) held together by a calcite matrix.

sing because that is what they are doing in the sentence

explanation:

the simple predicate is the main verb in the predicate that tells what the subject does. example: my father fixed the dryer. read each sentence. draw a line under the complete predicate.

educational segregation in the us prior to brown.

the members of the u.s. supreme court that on may 17, 1954, ruled unanimously that racial segregation in public schools is unconstitutional.

judgment and order of the supreme court for the case.

u.s. circuit judges robert a. katzmann, damon j.

the u.s. supreme court's decision in brown v. board of education marked a turning point in the history of race relations in the united states. on may 17, 1954, the court stripped away constitutional sanctions for segregation by race, and made equal opportunity in education the law of the land.