Question

the stems of cactus perform – dash in the absence of leaves ​

Answer 1

Answer:

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Explanation:

They contain chlorophyll and in the presence of sunlight, water and nutrients of soil, leaves make food for plants. In different species, spines work the way the leaves do. Unlike other plants, cacti do not make food in leaves. Instead they manufacture food in their thin green outer layer of stem.

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Answer 2

Answer:

transpiration ,photosynthesis