Which of the following statements about the sources of essential plant nutrients in soil are accurate?

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Plants obtain carbon directly from atmospheric carbon dioxide.Hydrogen is primarily derived from water.Oxygen comes from both air and water, while nitrogen in soil mainly originates from organic matter that releases ammonia upon decomposition.All the above statements are true.None of the above.

Explanation

Plants absorb carbon in the form of carbon dioxide from the atmosphere. Hydrogen is sourced mainly from water. Oxygen is supplied by both air and water, and the main nitrogen source in soil is organic matter, which produces ammonia as it breaks down. Therefore, all these statements are correct.