Question

Concentration of ozone is greatest in :
(a) Troposphere
(b) Stratosphere
(b) Mesosphere
(d) thermosphere
The death rate is known as:
(a) Mortality
(b) Natality
(c) Demography
(d) Population
CO has a great affinity for :
(a) Blood (b) Lymph (c) Haemoglobin (d)Plasma
Poisnous symptoms of DDT:
(a) Necrosis of liver (b) Hemolysis
(c)Albinism
(d) All of the above
DDT
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Answer 1

Answer:

stratosphere

Explanation:

stratosphere

Answer 2

Answer:

.

(b) Stratosphere

(a) Mortality

(c) Haemoglobin

(a) Necrosis of liver