Question

Write the plants
used as
indicate​

Answer 1

Answer:

Many plants indicate whether the soil is acidic or basic. For example, Rumex acetosa. Rhododendron, Polytrichum and Sphagnum indicate acidic soils.

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Answer 2

Answer:

Some examples of natural indicators are red cabbage, turmeric, grape juice, turnip skin, curry powder, cherries, beetroots, onion, tomato, etc. Some flowers like hydrangeas can determine the acidity or basicity of the soil.

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