What are biophysical and ahtro causes of climate change Part 2

The clearing or conversion of too much forest  to agricultural and urban land _______ the capacity of forests to remove carbon dioxide and turn it into oxygen

• decreases

• increases

• doubles

• doesnt impact

Another name for storage of carbon from the atmopshere into the biospehere is

• sequestration

• photosynthesis

• withdrawal

• seperation

Crops store only a fraction of carbon compared to the natural rainforest which globally is a sink for _________ million tonnes of carbon.

• 250

• 500

• 750

• 1000

It is estimated that each _____ an area the size of a football field is destroyed

• second

• minute

• hour

• day

CO2 emissions from land use change since 1850 has remianed fairly stable.

• True

• False

CO2 emissions from use of fossil fuels since 1850 has remianed fairly stable.

• True

• False

Large scale deforestation is also knonw as

• shifting agriculture

• commodity driven deforestation

• urbanisation

• wildfire deorestation

Vegetation covered areas -  the forest canopy is darker and therefore has low albedo ( reflectivity) so the heat is _______

• reflected

• absorbed

If heat is absorbed by the land this has a _______ effect on the atmopshere

• warming

• cooling

If heat is reflected by the land ( lighter surfaces) this has a _______ effect on the atmopshere

• warming

• cooling