Without which ocean current would Europe be more like sub arctic?

• Labrador current

• Gulf Stream

• North Equatorial current

• Polar current

_____________________ depends on adequate, reliable, and affordable supply of energy that provides a degree of independence.

The major source of energy for Asia Pacific region is

• Renewables

• Oil

• Coal

• Hydroelectric power

________________ refers to the year in which the world or an individual oil-producing country reaches its highest level of production, with production declining thereafter.

Methane has ______________GWP than carbon dioxide.

Name the biomes which have greater chance of disappearance due to global warming

• Cold desert

• Tundra

• Boreal forest

• Prairies

Impacts of climate change can be

• Extensive damage to coral reefs

• Failing yields in MEDCs

• Decrease in water availability

• Increased risk of malaria

Identify an example of negative feedback loop in relation to climate change.

• Melting of ice caps leading to decresed albedo

• Increased CO₂ from increased biomass decomposition

• Increased CO₂ leading to increased plant growth and increased productivity

• Increased forest cover decreases albedo

Air pollution also has a cooling effect. Scientists refer this to as ________________________

The effects of climate change occur with a time lag having said that the situation has crossed a stage which attempts normally to alleviate the problem. The stage is referred to as

• Positive feedback mechanism

• Tipping point

• Negative feedback mechanism

• Unstable state of equilibrium