CBSE Class 9 Answered
(1) What is the full form of HIV & AIDS?
(2)What is the meaning of the term Pathogenic ?
(3) What is herbicides ?
Asked by Pragya Jain | 24 Nov, 2010, 04:16: PM
Expert Answer
Dear student,
HIV - Human Immunodeficiency Virus
AIDS - Acquired Immuno Deficiency Syndrome
Pathogenic means infective i.e. able to cause disease.
Herbicides are chemicals that destroy plants or inhibits their growth. Such chemicals are often used in everyday life to keep lawns free of weeds.
Regards,
Team Topperlearning
Answered by | 24 Nov, 2010, 06:53: PM
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