* Water and Minerals: These are absorbed from the soil by the roots and transported up the plant through the xylem.

* Water: Essential for photosynthesis and overall plant function.

* Minerals: Provide nutrients like nitrogen, phosphorus, and potassium, crucial for growth and development.

Here's why these are essential for leaves:

* Photosynthesis: Leaves are the primary sites of photosynthesis. They use water and carbon dioxide from the air to create sugars (food) for the plant.

* Growth and Development: Minerals provide the building blocks for new cells, tissues, and structures within the leaf.

Important Note: While water and minerals travel upwards to the leaves, the sugars produced in leaves travel downwards to the rest of the plant via the phloem. This is called translocation.