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EASY QUESTION!! PLEASE HELP ME! Which of these surface features are formed when the acid in groundwater reacts with limestone?

a.rivers and springs

b.sinkholes and caves

c.hotsprings and geysers

d.wetlands and volcanoes

Verified Answer :

Greenleafable

The correct answer should be b. sinkholes and caves

When limestone reacts with acids it creates CaOH and another acid. Eventually, when all limestone is dissolved, special caves are created that are called Karsts.

Answer: b. sinkholes and caves

Ground water is a source or reservoir of water that forms beneath the under surface of rocks and soil, when the water from sources like precipitation, river, lakes, agricultural irrigation seeps through the pores. The accumulated water from the pores is a ground water. The upper layers of soil above the groundwater contains carbon and limestone. The water being combined with carbon becomes acidic which erodes limestone this results in formation of sinkholes and caves.  

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