Read the following passage, and answer the questions that follow

A. On April 30, 2018

B. On April 20, 2018

C. On April 30, 2017

D. On April 20, 2017

A. 500

B. 600

C. 700

D. 800

A. when hot materials from the Sun's interior are thrown out of a volcano.

B. when hot materials from the Earth's interior are thrown out of a river.

C. when cold materials from the Earth's interior are thrown out of a volcano.

D. when hot materials from the Earth's interior are thrown out of a volcano.