Solve this:
Q.6. The construction of large dams lead to (i) social and (ii) environmental problems. List two problems in each case.
Q.7. What are the different ways in which individuals with a particular trait may increase in a population ?

Dear student,

Question 6)
Social Problems:-
a) It can displace people living in a particular area.
b) It can cause riots among different groups of people.

Environmental Problems:-
1) It obstructs he flow of rivers causing excessive sedimentation in river beds.
2) It prevents aquatic fauna to migrate for spawning i.e. to produce eggs.

Question 7)

Regards