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There are two main sources of pollution:
(1). Natural Sources:
(a) Volcanic ash
(b) Marsh gas (CH4) released from decay of organic matter.
(c) Dust from dust storm.
(d) Pollengrains, spors, bacteria, cysts etc.
(2). Anthropogenic sources:
Man has aggravated the problem of pollution by his innumerable activities like.
(a) Industrialization
(b) Revolution in automobile industry
(c) Deforestation
(d) Nuclear explosion
(e) Over exploitation of natural resources.
Which of the following is a false statement regarding the activity of DNA polymerase during the replication process? A. DNA polymerase reads the template strand in the 5' to 3
Ground Water Ground water represents a major subterranean reservoir of fresh water. In general. it is not tapped by plants as it is too deep and does not suffer from loss due t
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Which type of chemical bond maintains the pairing of each chain in the DNA molecule? Ans) To form the DNA molecule, purine bases bind to pyrimidine bases by intermolecular bonds
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what is cromosome jumping
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define the pattern of cleavage i all aspects
How to Promote Physical Activity to combat from Obesity? For many children, low physical activity rather than excessive energy intake is the primary culprit. Management of obes
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