Answer :

sap is the life's blood of a plant. there are actually two types of sap in a plant.
they are:
phloem.
xylem.
the plants need sap ,so they don't die.plants need fertilizer to live and to grow and green and strong.

Both the phloem and xylem forms of sap flow through these veins. Sap is the life's blood of a plant. ... Phloem (FLOWM) sap is the more nutrient rich form, and flows from the leaves bringing sugars and hormones to nutrient-hungry parts of the plant, such as the stem and roots.

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