Experiments have shown that even if it is supplied by no other means, plants near the ocean can get enough of one of the following essential micronutrients from the air, and also from sweat from a person's hands. Which of the following is that macronutrient?

Question

Quizplus · Accepted Answer

Chlorine is the correct answer because it can be absorbed by plants from the air, especially in coastal areas where sea spray disperses it into the atmosphere. Additionally, human sweat contains significant amounts of chlorine in the form of chloride ions, which can also be a source of this nutrient for plants when humans handle them.

Experiments Have Shown That Even If It Is Supplied by No