Question

primary growth can be explained as

change in length via the apical meristem

change in the diameter via the cambium

immature stems

process of water movement from the roots to the leaves where it evaporates

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Explanation:

Primary growth in plants is associated with the apical meristem. The apical meristem is located at the tips of roots and shoots. It is responsible for the elongation (increase in length) of the plant. The change in diameter (secondary growth) is due to the cambium. Immature stems are not the definition of primary growth. The process of water movement from roots to leaves where it evaporates is transpiration.

Answer:

Change in length via the apical meristem