A __________ thread is actually stronger than a steel wire.
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"Personology" refers to _____.
The process of producing energy in plants is known as
Sullage water is_______
Which of the following was India's first interplanetary mission?
Polycot is a mixture of which among the following?
A bomb explodes on the moon. You will hear its sound on earth after _________
The ability to memorize well is an example of