3.2.4.6 Global Population Futures

Question 1

An increase in population causes

Answer 1

An increased demand for resources at the same time as environmental change (ozone depletion/climate change) which impact on human health

Question 2

World population likely to rise by

Answer 2

50% during this century

Question 3

Reasons for growth rate

Answer 3

Fertility and life expectancy

Question 4

CFCs

Answer 4

are nontoxic, nonflammable chemicals containing atoms of carbon, chlorine, and fluorine. They are used in the manufacture of aerosol sprays, blowing agents for foams and packing materials, as solvents, and as refrigerants- cause of ozone depletion