Thirty people move into an area and 45 move out. What is net migration?
AA gain of fifteen people
BA gain of seventy-five people
CA loss of fifteen people
DA loss of thirty people
Answer & Solution
Correct answer: C. A loss of fifteen people
Net migration is 30 minus 45, a decrease of 15 people.
Keep practising Population and Pollution
Browse all Population and Pollution questions for ICSE Class 10, or explore more Biology topics.
Related questions
Food supply grows slower than population. Per-person average?Successful birth control primarily aims to lower which population measure?Tubectomy leaves ovaries intact. Effect on periods?Vasectomy and tubectomy are intended to provide what?How is per capita income obtained for a population?Fixed births per couple: what can raise births?Which pattern best describes a population explosion?A population grows from 10,000 to 10,500 in one year. What is its percentage growth for th