definitions

Question 1

land degradation

Answer 1

the downgrading of land so its not as productive as it used to be.

Question 2

tariff

Answer 2

a tax on imports

Question 3

global traders

Answer 3

buying and selling goods between countries

Question 4

yield

Answer 4

the amount produced per hectare of land

Question 5

deciduous forest

Answer 5

a type of biomes where the trees drop their leaves and there are four distinct seasons

Question 6

water scarcity

Answer 6

a lack of fresh water

Question 7

sustainability

Answer 7

the practice of using natural resources responsibly, so they can support both present and future generations

Question 8

food security

Answer 8

all people, always have access to sufficient, safe, and nutritious food.

Question 9

biofuel

Answer 9

fuel made from plants

Question 10

soil salinity

Answer 10

the salt content in soil.

Question 11

tundra

Answer 11

a type of biome which is cold, dry, it is also has permafrost

Question 12

biomes

Answer 12

the major world ecosystems characterised by distinctive climates, soils, and vegetation.

Question 13

altitude

Answer 13

height above sea level

Question 14

climate

Answer 14

the weather conditions in an area over a long period of time

Question 15

grassland

Answer 15

a biome with good quality soil where food is often produced but there is not enough rain for large trees.

Question 16

non-renewable resources

Answer 16

resources that will run out one day

Question 17

renewable resources

Answer 17

resources that can quickly replenish themselves to be used again and again

Question 18

deforestation

Answer 18

cutting down trees

Question 19

deforestation

Answer 19

cutting down trees

Question 20

deforestation

Answer 20

cutting down trees

Question 20

deforestation

Answer 20

cutting down trees

Question 21

rainforest

Answer 21

a biome which is warm, has high precipitation and is humid

Question 22

desert

Answer 22

a biome with low precipitation

Question 23

isobars

Answer 23

a line on a synoptic chart representing the air pressure in the atmosphere

Question 24

high pressure system

Answer 24

known as happy highs, the isobars are spaced out widely and the weather is often rising temperatures, controlled wind and lowered chance of precipitation

Question 25

low pressure system

Answer 25

known as lousy lows, isobars are close together, the temperatures are often quite low, rising chance of precipitation and unsteady winds.

Question 26

cold fronts

Answer 26

a moving mass of cold air. bring similar conditions to low pressure system. they move in the direction the triangles point

Question 27

wind indicators

Answer 27

show the wind direction and the strength of the wind.

Question 27

wind indicators

Answer 27

show the wind direction and the strength of the wind.

Question 28

direction of wind in a low air pressure system in the northern hemisphere

Answer 28

anticlockwise

Question 29

direction of wind in a high air pressure system in the northern hemisphere

Answer 29

clockwise

Question 30

direction of wind in a low air pressure system in the southern hemisphere

Answer 30

clockwise

Question 31

direction of wind in a high air pressure system in the southern hemisphere

Answer 31

anticlockwise