IS_Section Quiz_2.5-2.6_e

(E) The Food and Environmental Hygiene Department is responsible for running water treatment works in Hong Kong.

• True

• False

(E) In Hong Kong, fluoride is added to water to kill microorganisms.

• True

• False

Fresh water is a precious resource and we must conserve it.

• True

• False

Tags

NGSS.MS-ESS2-4

(E) Waste water should be properly treated before it is discharged into the sea.

• True

• False

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-5

(E) The water treatment process in Hong Kong involves distillation.

• True

• False

More than half of the fresh water on Earth is in rivers and lakes.

• True

• False

Tags

NGSS.MS-ESS2-4

As water resources are limited, we need to conserve water in daily life.

• True

• False

Tags

NGSS.MS-ESS2-4

(E) Which of the following is closest to the percentage of the fresh water we use that comes from Dongjiang water?

• A. 25%

• B. 50%

• C. 75%

• D. 100%

Tags

NGSS.MS-ESS2-4

Which of the following are the sources of fresh water on Earth?

(1) Glaciers

(2) Lakes

(3) Sea

• A. (1) and (2) only

• B. (1) and (3) only

• C. (2) and (3) only

• D. (1), (2) and (3)

Tags

NGSS.MS-ESS2-4

(E) Chemical wastes from school laboratories are treated in

• A. Centre for Health Protection.

• B. Chemical Waste Treatment Centre.

• C. Environmental Protection Department.

• D. Government Laboratory.