Why is the phloem in a leaf important to the roots of a plant?
A. It transports oxygen to the roots of the plant.
O B. It transports blastocysts to the roots of the plant.
O C. It transports water from the roots to the leaves.
OD. It transports carbohydrates to the roots.

D. It transports carbohydrates to the roots.

Explanation:

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.

brainlest please