What causes climate change?
As human activity takes place, carbon-dioxide is released. It could also be volcanic eruptions that releases CO2 in the atmosphere.
What are greenhouse gases?
Gases trapped in the atmosphere that cause the earth to warm
What is deforestation?
Deforestation or forest clearance is the removal of a forest or stand of trees from land that is then converted to non-forest use
How do people assist in causing climate change?
Humans use energy and release carbon dioxide into the air
Name 3 Greenhouse gases
CO2, methane, water vapor,
How are living things affected by deforestation?
There is a loss of habitat which can lead to declining populations and even extinction.
What are two sources of methane? (FYI this is the most potent greenhouse gas we know of)
What is from livestock/farming and being released from the melting ice caps.
What has been happening to the size of the Amazon rain forest over the past 50 years?
What is shrinking
How do forests contribute to the removal of greenhouse gases?
They respirate by exchanging Co2 for oxygen
What is happens to the ocean when it absorbs large amounts of carbon dioxide?
It becomes acidic killing many living things
If we continued to burn unlimited amounts of fossil fuels,how would that affect earths atmosphere?
The atmosphere would overheat and therefore lifeforms would have to adapt
What are the two techniques used to remove trees during deforestation?
What is clear cutting and slash and burn