What Is in Water in the Ground That Helps It

question 22

Multiple Choice

What is in water in the ground that helps it dissolve limestone?

• A) nitric acid from nitrogen in the air combining with rainwater
• B) carbonic acid formed from carbon dioxide in air combining with rainwater
• C) nothing-pure water has nothing in it, so it can dissolve more
• D) oxygen-the reactivity of oxygen oxidizes the calcium of limestone
• E) sand-the grains are much harder than limestone, making it more abrasive

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An account in a partnership or sole proprietorship that records the amounts taken out of the business by the owner for personal use.

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In accounting, it refers to the account on a company's balance sheet that represents the owners' or shareholders' investment in the company.