Fill in the blanks with suitable words : (i) ……… percent of the drugs currently sold in the market worldwide are derived from plants.
(ii) Broadly utilitarian argument says that biodiversity plays a major role in……that nature provides.
(iii) Amazon forest estimated to product through photosynthesis........percent of the total oxgyen in the earth's atmosphere.
(iv) The........... argument for conserving biodiversity relates to what we owe to millions of plants animal and microbe species with whom we share this planet.