Question

passage comprehension 1
yellowstone national park, the oldest national park in the world, is home to many natural wonders. it has more geysers and hot springs than any other area of the world. grand prismatic spring is the largest hot spring in the park. it is a pool with a deep blue center surrounded by pale blue rings. old faithful, the most famous geyser in the park, erupts on average every 76 minutes. old faithful has not missed an eruption in over 80 years. when it erupts, the geyser sends a stream of boiling water more than 100 feet into the air. at mammoth hot springs, gently flowing waters form beautifully colored terraces. morning glory pool, one of the parks most beautiful hot pools, has the shape and coloring of a morning - glory flower.

1. based on the information in the story, which statement describes a geyser?

a a spring that shoots hot water into the air with explosive force
b a large mass of ice that moves slowly over the land
c a hard surface resembling limestone
d a pool of cool water surrounded by trees and morning - glory flowers

Explanation:

The passage describes geysers like Old Faithful which erupts, sending boiling water into the air. A geyser is defined as a spring that shoots hot water into the air with explosive force.

Answer:

A. a spring that shoots hot water into the air with explosive force