Answer:
Knowledge gain through observation and experimentation.
Explanation:
Science is the systematic study of the structure and behaviour of the physical and natural world through observation and experiment. That knowledge which can be gain through observation and experimentations is considered as scientific knowledge and those knowledge which can be attain through other sources not observation and experiments is known as non-scientific knowledge so we can say that observation and experiments provide scientific knowledge.
Answer: Medical illustrator
Explanation:
I think that the answer is b) radiation
Answer:
The fish in India provides protein and has a huge source of vitamin A, B, and D. There are about 30,000 species of fist in the world out of which about 18000 are found in India. Fish also forms an important part of diet of the people living in the coastal areas of Kerala, West Bengal, Andhra Pradesh, Tamil Nadu, Maharashtra, Karnataka, Goa, and Gujarat. Fish attracts many people in India because it is cheap in cost and highly nutritious.
Answer:
d
Explanation:
DNA has become a boon in surveillance programs that is used to monitor the presence of invasive species in the aquatic system and can monitor the presence of nucleic acid water even if the animals are not there
