Biology, asked by Phosey, 1 year ago

The specimens preserved in herbarium are sprayed with copper sulphate solution at intervals to

(1) Keep off insect pests

(2) Remove dust particles from specimens

(3) Avoid decolouration of
specimens

(4) Retain the normal size of specimen​

Answers

Answered by ramya73
0

Answer:

3 to avoid decolouration

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