Environmental risks and management. Flashcards
1
Q
What is the effects of global warming?
A
- Spread of diseases.
- warmer waters and more hurricanes.
- increased droughts and heat waves.
- economic consequences.
- polar ice caps melting.
- fires and wildfires
- destructive storms.
- tsunamis.
2
Q
What is acid rain?
A
- acid rain describes any form of precipitation with high levels of nitric and sulfuric acids. it can occur as snow, fog and tiny bits of dry material that settle to earth.
3
Q
What is the causes of acid rain?
A
- rotting vegetation and erupting volcanoes release sulfer.
- ## burning of fossil fuels. ( and all its steps)
4
Q
What are the effects of acid rain?
A
- pollution of water systems.
- kills the water animals.
- damages forests as it robs essential nutrients.
- can cause respiratory defects.
- weaken leaves.
- cause nerve damages.
5
Q
Solutions to acid rain?
A
- Burning fewer fossil fuels.
- cleaning up industry smokestacks.
- promoting alternative fuel sources.
6
Q
What is desertification?
A
- is the when a land is degraded into a increasingly arid area by loosing its bodies of water as well as plant and animal life.
7
Q
What are the causes of desertification?
A
- Overgrazing.
- farming of marginal land.
- destruction of plants in dry regions.
- incorrect irrigation in arid regions.
8
Q
What are the effects of desertification?
A
- soil becomes less usable.
- vegetation dissapear or damaged
- famine
- food loss
people near affected.
9
Q
Solutions to desertification?
A
- aforestation.
- good farming practices.
- fences
- ferracing the land.
10
Q
What is global warming?
A
- it is the gradual increase of average surface temperature of the earths atmosphere and oceans due to the effect of greenhouse gases.