Biomass is plant matter that can be converted to an _________.
Algae
Energy source
Bomb
Biomass is organic as it is made of material that comes from _________ organisms.
Living
Non-living
Biomass contains energy first derived from the sun. where plants absorb the sun’s energy through the process called _________.
Evaporation
Condensation
Photosynthesis
Biomass can be converted to energy-producing ethanol and wood pellets.
True
False
Biomass is far away from 'clean', that burning biomass creates _________ pollution.
Noise
Air
Water
A chemical process called __________ where biomass is heated and dried to be used in combustion or gasification.
Syngas
Pyrolysis
Torrefaction
A biological processes in sewage treatment plants, waste landfills, and livestock manure management systems are known to be _________.
Biogas
Firing
Glassification
Biogas is composed mainly of methane and CO2, where methane is a _________ gas.
Ethanol
Greenhouse
Bio
What do you think as a main reason for the degradation of land?
Climate Change
Volcanic eruption
Melting of ice
How much fertile land is being lost due to degradation each year?
5 million hectares
6 million hectares
7 million hectares
What are the two greatest causes of land degradation?
Energy production and pollution.
Overgrazing and deforestation.
Crop growing and wood collection.
_________ is the major cause of land degradation, which has become a worldwide environmental problem that degrades soil productivity and water quality.
Forestation
Soil erosion
Irrigation and overdrafting
Which of the following is not one of the methods in preventing land degradation?
Strip farming
Crop Rotation
Destruction of Dams
What causes sheet and rill erosion?
Water
Waves
Ice
Where is desertification most likely to occur?
In deserts.
In tropical rainforests.
In semi-arid regions bordering deserts.
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