What helps to take CO2 out of the air?
Plants
What does logging or deforestation have to do with water pollution?
No roots from trees means more soil runoff.
Name two things we mine for:
Minerals, gems, metals, etc.
Name one problem in the Amazon we saw in our Ross Kemp video other than the trees being cut down:
Drought, oil in the forest, etc.
How many people do we currently have on Earth?
7.8 billion (or 7)
What is CO2?
Carbon dioxide
In the Grey Area Mystery, what were bioindicators?
Animals/plants that could tell if there was pollution based on their actions. (Water fleas, birds)
Which is more harmful to the environment, surface or underground mining?
Surface
What does biodiversity mean?
Lots of different species of plants and animals.
How many people are we projected to have on Earth by 2100?
11 billion
Name three examples of things that produce air pollution.
Cars, factories, spray products, appliances, etc.
In our Grey Area Mystery, what pollution was the water slide dumping into the river?
Chlorine
Which is more harmful to human health, surface or underground mining?
Underground
What is Africa's great green wall?
A wall of trees to help stop desertification
What are the two countries with the highest populations?
China and India
What is the AQI?
The air quality index, shows pollution levels.
In our Grey Area Mystery, what pollution was the golf course dumping into the water?
Phosphates (Fertilizer)
What is reclamation?
Fixing the land after mining.
Why are they cutting/burning down the Amazon rainforest?
They want more farmland and selling trees gets them a lot of money
Explain a downside and an upside of China's one child policy:
Downsides: more girls, less young people to work, invasion of privacy for women
Upside: Did stop population growth, more resources and education for the single kid
Describe what smog is made of.
Soot mixed with carbon dioxide pollution.
What does phosphate pollution do to water?
Takes out the oxygen because plants take over
What are the three main types of surface mines?
Strip, mountaintop removal, and open pit
What does deforestation have to do with desertification?
If there are no trees/roots, the soil gets dry and becomes a desert.
What two factors cause a country to have more children per family?
Poverty and religion