Read the following passage and choose the best answer (A, B, C or D) to each question. A geyser is the result of underground water under the combined

Read the following passage and choose the best answer (A, B, C or D) to each question. A geyser is the result of underground water under the combined conditions of high temperatures and increased pressure beneath the surface of the Earth. Since temperature rises about 1°F for every sixty feet under the Earth surface, and … Đọc tiếp