Question

Q8.which of the following biodegradable pollutant?
(a)DDT
(b)BHC
(c)cloth
(d)mercury
Q9. Which of the following is a method of waste disposal?
(a)Landfills
(b) Recycling of wastes
(c)Incineration
(d)All of these
Q10. Burning of waste substances usually at high temperature of over 100 °C to convert them into
ashes is called
(a) Eutrophication
(b)Incineration
(c)Desertification
(d)Saponification
Q11. On an average, energy transferred, from one trophic level to another is
(a)5% (b)10%
(c)15%
(d) 20%
Q12. Which of the following belong to the category of primary consumers?
(d)Snakes and frogs
(c) Water insects
(b) Eagle and snakes
(a)Insects and cattle​

Answer 1

Answer:

sorry I don't know what is ur question

Explanation:

plz mark me as a brainlist plzzzzz

Answer 2

Answer:

1. C

2. C

3. C ( this may be)

4. B

5. Insects and cattle