ISRO built India's first satellite known as _____.
Organisms that generate energy using light are known as ______.
Ornithophily is effected by
The maintenance functions of living organisms are performed by the _____.
A level of atmosphere which is composed partly of electrons and positive ions is called
Workers in leather tanning industries tend to suffer from
What are Equinox days?
Saturn is the _______ planet from the Sun.
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