B S T

What is air?

• A solid substance that exerts pressure

• A mixture of gases that exerts pressure on things on earth

• A liquid that has no weight

• A type of fuel

How can we conserve wildlife?

• Increase the use of pesticides

• Engage in excessive hunting

• Establish game reserves

• Clear all natural habitats

Which of the following is NOT a component of air?

• Helium

• Carbon (IV) oxide

• Water vapor

• Sulfur

How can we conserve water?

• Increase bush burning

• Recycle used water

• Dump waste in water bodies

• Avoid tree planting

Which of the following gases makes up the largest percentage of air?

• Oxygen

• Argon

• Nitrogen

• Carbon (IV) oxide

Which of the following is NOT a component of crude oil by-products?

• Gas

• Kerosene

• Copper

• Petrol

What are mineral resources?

• Renewable materials found on the earth's surface

• Valuable materials extracted from below the earth’s surface

• Organic materials grown in farms

• Artificially created materials

What is tin used for in industries?

• Making electric wires

• Coating containers

• Producing jewelry

• Building roads

Which mineral resource is used for making cement?

• Copper

• Lead

• Limestone

• Tin

Which sector has seen significant influence from IT through internet banking?

• Agriculture

• Education

• Banking

• Medicine