Biotechnology is

the study of biology and technology
any use of living organisms to benefit health or the environment
the use of technology to produce living things
all of the above

All of the above options are correct.

Explanation:

Biotechnology is a vast, emerging field that combines biology and technology for the betterment of mankind. In simpler terms, it can be described as a field in which living organisms or living cells are genetically manipulated to produce products that are useful to humans. Biotechnology has led to a lot of scientific breakthroughs including the development of an artificial human heart and Dolly- the sheep.

Hence, all of the above-mentioned statements are correct.

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