Unit 1

Question 1

low income country meaning

Answer 1

countries that have the weakest economies and are least developed. the category is determined by the low GNI per capita of US$ 1086 or less

Question 2

Gross national income or GNI

Answer 2

The total amount of money earned by a nations people and businesses this is used to measure a nations wealth

Question 3

Middle Income countries

Answer 3

countries that have started to develop with growing industries and GNI per capita is more than 1086 but less than 13205 and is increasing

Question 4

High income countries

Answer 4

countries that have strong well developed economies and a good standard of living where the GNI per capita is more than 13205

Question 5

what are factors affecting the economies

Answer 5

social, natural resources, natural disasters and international relationships

Question 6

sustainability

Answer 6

the ability to meet the needs of the present without compromising the needs of the future

Question 7

ecosystem

Answer 7

a biological community of organisms interacting with each other and the physical environment`

Question 8

Pollution

Answer 8

the presence of introduction into the environment of a substance which is harmful or has poisonous effects

Question 9

biodiversity

Answer 9

the number of different living organisms found within an ecosystem or region

Question 10

Evaporation

Answer 10

the process by which liquid turns to gas

Question 11

precipitation

Answer 11

water falls to the ground as rain, snow, sleet or hail

Question 12

transpiration

Answer 12

water lost through the leaves of the plant

Question 13

humidity

Answer 13

the percentage of water vapor in the air

Question 14

condensation

Answer 14

the process by which a gas changes a liquid due to cooling

Question 15

boiling point

Answer 15

the temperature in which something boils

Question 16

interception

Answer 16

anything that stops water from hitting the soil

Question 17

stem flow

Answer 17

rain fall that reaches the ground in a forest by draining down the trunks of plants

Question 18

through fall

Answer 18

rain that fall through the leaves and branches of the plant

Question 19

fun off

Answer 19

the draining away of water over land flow

Question 20

aquifer

Answer 20

an underground storage of water

Question 21

infiltration

Answer 21

the movement of water into the soil from the surface

Question 22

through flow

Answer 22

the lateral transfer of water downslope through the soil

Question 23

ground water

Answer 23

the water found underground in cracks of spaces in the soil and rock

Question 23

ground water flow

Answer 23

water that flows underground

Question 24

abstraction

Answer 24

the process of taking the water from the ground water source

Question 25

how does run off happen?

Answer 25

if the soil is already full of water, drains are full or the rate of water that the soil is able to absorb is too slow for the amount of rain

Question 26

natural greenhouse effect

Answer 26

the warming of the atmosphere by gasses found naturally in the atmosphere by trapping heat from the sun

Question 27

green house gasses

Answer 27

gasses in the atmosphere that absorb radiation

Question 28

enhanced green house effect

Answer 28

and increase in the warming of the atmosphere over and above the greenhouse effect. gasses are produced by humans

Question 29

Shortwave radiation

Answer 29

the energy coming from the sun into the earth

Question 30

longwave radiation

Answer 30

the energy coming out of the earth that it is emitting

Question 31

Species

Answer 31

a group of animals that can produce together

Question 32

population

Answer 32

a species of an animal in a specific location

Question 33

community

Answer 33

different populations living together in an ecosystem

Question 34

Competition

Answer 34

fighting for a specific resource

Question 35

intra specific

Answer 35

competition within a species

Question 36

decomposers

Answer 36

organisms that take organic materials from dead organisms and return it to the soil

Question 36

inter specific

Answer 36

a competition between a species

Question 37

biomass

Answer 37

the total quantity or weight of organic material in an ecosystem

Question 38

Limiting factor

Answer 38

ANYTHING that limits the population from growing

Question 39

what does the amount of water effect

Answer 39

which organisms can live there

Question 40

salinity

Answer 40

amount if salt in water or soil

Question 41

what happens when you add salt to water?

Answer 41

it can affect how much water can evaporate and it lowers the freezing point while raising the boiling point

Question 42

photosynthesis chemical equation

Answer 42

6CO2 + 6H2O → C6H12O6 + 6O2

Question 43

carbon store

Answer 43

a source that releases carbon into atmosphere

Question 44

Carbon sink

Answer 44

anything that absorbs more carbon that it can release

Question 45

Carbon source

Answer 45

a carbon store that releases more carbon than it can replenish

Question 46

what happens when you burn gas

Answer 46

is becomes CO2

Question 47

temperature

Answer 47

the average energy of the particles

Question 48

combustion

Answer 48

a chemical reaction that happens when you burn something with carbon

Question 49

Fossilization

Answer 49

when organic material starts to mineralize

Question 50

Earth's atmospheres in order

Answer 50

troposphere, stratosphere, mesosphere, thermosphere

Question 51

name all parts of the water cycle

Answer 51

condensation, precipitation, interception, infiltration, surface run off, through fall, ground water, ground flow, transpiration and evaporation

Question 52

state major components of the earths atmosphere

Answer 52

nitrogen, oxygen, carbon dioxide, argon and water vapor

Question 53

what is included in the carbon cycle

Answer 53

photosynthesis, respiration, feeding, decomposition, fossilization, and combustion

Question 54

chemical equation for respiration

Answer 54

C6H12O6 + 6O2 → 6CO2 + 6H2O

Question 55

what layer is the ozone layer apart of

Answer 55

the stratosphere