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- 1. Question
Naturally occurring _______________ are used to clean up oil spills and chemicals
- 2. Question
_________________ fertilization (fertilization outside the body of an organism) is carried out to help infertile couple have children.
- 3. Question
Antibiotics are drugs used to cure ___________________ diseases
- 4. Question
______________ are conditions, which are varied to get results, on which experiment is set up.
- 5. Question
Many serious diseases are prevented through ________________