How do coral reefs protect coastlines?
ABy increasing fish populations
BBy acting as natural barriers against waves and currents
CBy providing tourism revenue
DBy reducing air pollution
ABy increasing fish populations
BBy acting as natural barriers against waves and currents
CBy providing tourism revenue
DBy reducing air pollution
Related Questions:
4. Which of the following is opposite in meaning to the excessive ‘thin-skinned’ as used in the passage?