1.

Biosphere reserves are:i) area comprising terrestrial, marine and coastal ecosystems.ii) monitored by national governments.iii) areas where threatened animals and plants are kept in their habitat.iv) wildlife sanctuaries.Choose the correct statements from the options given below:

A. i and ii
B. ii and iii
C. iii and iv
D. i and iv
Answer» B. ii and iii


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