Water is a key resource for our quality of life, the things we grow and produce.
A.
False
B.
True
2.
Most people in Africa have access to drinking water of good quality.
A.
False
B.
True
3.
Changes in species composition of organism groups like phytoplankton, algae, macrophytes, bottom-dwelling animals and fish can be caused by changes in the climate.
A.
False
B.
True
4.
Almost all human activities can and do impact adversely upon the water.
A.
False
B.
True
5.
Oxygen consuming substances and hazardous chemicals are not associated with point source discharges.
6.
Oxygen consuming substances and hazardous chemicals are not associated with point source discharges.
A.
False
B.
True
7.
Water quality is influenced by both direct point source and diffuse pollution which come from urban and rural populations, industrial emissions and farming.
