Why is the phloem in a leaf important to the roots of a plant? a. it provides the roots with carbohydrates. b. it provides the roots with nutrients from the soil. c. it transports water to the leaves from the roots. d. it transports dead materials to the roots.

The answer is A.

Phloem is mainly used to transport nutrients from their region of production to the region that needs or stores the nutrient.

In photosynthesis, the method that plants make food, starch is produced. As the root hair cells needed energy to function, nutrients is needed so that it can respire and produce energy.

Therefore, when starch is produced, they will travel down the plants by the phloem to the roots where the nutrients is used.

You should never redesign your experiment. try and see what in your experiment you made a mistake on or try and test your experimemt with somebody else. see if they get the right results.