Primary Economic Activities

Question 1

Economic Activities

Answer 1

What people do to earn a living

Question 2

Primary activities

Answer 2

Jobs that involve working directly with the earth’s rocks soils and waters

Question 3

Primary activities jobs

Answer 3

Farmer, Fisher forestry worker, minor

Question 4

Renewable resources

Answer 4

Can be used over and over again
Infinite

Question 5

Non renewable resources

Answer 5

Can only be used once
Finite
Coal, oil, gas

Question 6

Potable

Answer 6

Safe to drink

Question 7

Evaporation

Answer 7

The sun heats ip the water and the water vapour rises

Question 8

Condensation

Answer 8

The water vapour cools and form clouds which are blown towards the land by wind

Question 9

Precipitation

Answer 9

The clouds are blown over the land. They get too heavy and fall in the form of rain, hail, sleet or snow

Question 10

Run off

Answer 10

Water then runs off and forms rivers.

Question 11

Irrigation

Answer 11

The artificial watering of land

Question 12

Case study

Answer 12

Irrigation scheme, central valley project, callifornia

Question 13

Why does the valley need irrigation

Answer 13

Area suffers from drought
Difficulty to grow crops
Area has a very warm climate

Question 14

About the central valley project 1

Answer 14

Dams were built to create large reservoirs

Question 15

About the central valley project 2

Answer 15

Canals and aqueducts were used to pipe water from North of the valley to the south

Question 16

About the central valley project 3

Answer 16

Valley is a region used to produce a variety or crops such as vegetables and fruit

Question 17

Advantages of the central valley project

Answer 17

Valley is irrigated in times of drought
Towns and cities in the area have a water supply

Question 18

Disadvantages of the central valley project

Answer 18

Very exspensive to build the dams
Cost of pumping water is high