11. Infiltration is the process by which rainwater becomes A. ocean water. B. river water. C. saltwater. D. groundwater. 12. Water that flows downhill along Earth's surface is called A. cycles. B. rain. C. runoff. D. beach hydraulics. 13. Soil can best be described as the A. third layer beneath the Earth's surface. B. sandy bottom of the ocean's floor. C. layer of bedrock four layers beneath the Earth's surface. D. loose covering of weathered rocks and decaying organic matter. 14. A depression in the ground due to a cave collapse or acidic water dissolution of limestone is called a A. sinkhole. B. stalactite. C. stalagmite. D. cave. 15. When the water level of a stream or river exceeds its natural banks, it has reached its A. capacity. B. crest. C. flood stage. D. plateau. 16. Which of the following soil types is richest in organic material? A. Yellow soil B. Blue soil C. Red soil D. Dark-colored soil 17. Which of the following statements best describes chemical weathering? A. It happens only in cool environments. B. It always results in dome-shaped formations. C. It's the process by which rocks and minerals undergo changes in their composition. D. It's the type of weathering in which rocks and minerals break down into smaller pieces. 18. A divide as it relates to Earth science is the A. elevated land area that separates one watershed from another. B. rate of precipitation that exceeds infiltration. C. largest river system possible. D. stream that flows between two trees. 19. Which gas is a source of natural groundwater pollution? A. Radon B. Oxygen C. Carbon D. Hydrogen 20. Due to human demand because of its importance to life, the Earth's most precious resource is End of exam A. saltwater. B. oil. C. soil. D. freshwater.
QUESTION POSTED AT 13/11/2019 - 05:22 PM