The recent movie, ‘The Amazing Spiderman,’ featured cross species genetics. Is cross species genetics for real?

Shashank Rao Palety, Vijayawada. Andhra Pradesh

In a moving bus air enters inside through its windows, but from where does this entering air go outside?

Jyan Prakash Arya, New Delhi

Why is only sulphuric acid used in batteries? Why not hydrochloric acid or nitric acid?

Priyanuj, Khokrajar, Assam

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