1. This question is based on the following paragraph. The sentences are numbered to help you answer the question. (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
very hot and semiliquid fluid called magma. (4) Volcanoes are a result of magma rising up or erupting through : plate,
particularly where plate 5) 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
the Indian subcontinent created the Himalayan Mountains when it collided with the Asian plate.
ranges are formed. (9) For example, the collision of the plate carrying
Which statement about this paragraph is accurate?
O A. The author uses comparison and contrast to organize ideas.
O B. There is an implied topic
the moving plates in Earth's crust have many effects.
O C. There are
supporting details for the main idea.
D. The topic sentence
the found in the last line.