Biology
Salts and sugars work to preserve foods by creating a

Lower pH
Lower osmotic pressure
Depletion of nutrients
Hypertonic environment

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Biology
Out of 900 reported species of living gymnosperms, conifers are represented by about 500 species, About 2,50,000 species of angiosperms (flowering plants) have also been reported in the world. The vast and dominant woodlands in Europe, Asia, North America and mountains such as Himalayas are wooded with

only conifers
only angiosperms
angiosperms and all gymnosperms except conifers
all gymnosperms, except conifers

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