CHAPTER 9.3 (A) RIVERS & WATER POLLUTION

Examples of physical features of environment are highland, lowland, rivers and ____________

• house

• climate

• car

_____________ are bodies of flowing water.

• Highlands

• weather

• Rivers

Rivers are not important natural resources

• True

• False

With rivers, it can irrigate the land and make them suitable for agriculture.

• True

• False

There are _____________ main rivers in Brunei Darussalam.

• Four

• Five

• Six

____________ is the main water supply for the country.

• Temburong

• Belait river

• Tutong river

Water pollution is the contamination of the water bodies such as in lakes, rivers, ____________, the oceans and the groundwater

• roads

• seas

• house

Water pollution happens when pollutants such as waste from homes or factories reach the bodies of water without treatment

• Yes

• No

Bad farming practices where farmers use chemical ____________ can cause water pollution.

• chemistry

• engineering

• fertilisers

Water pollution is very ____________ to us , animals, plants, air and land which leads to the destruction of the whole ecosystems.

• harmless

• harmful

• attractive