(1) Earthquakes involve a powerful movement of Earth's
crust. (2) Scientists measure the energy of an earthquake
with a seismometer. (3) Earthquakes can be really scary
because they can cause significant damage. (4) New
technology is being used in construction to minimize the
damage done during an earthquake.
Which sentence should be changed so that it has a formal tone?
O A. Sentence 1
O B. Sentence 3
O C. Sentence 2
D. Sentence 4