GEOGRAPHY MARCH 2026 QUESTIONS
AND - ANSWER S
Explain the greenhouse effect - - ANSWER The greenhouse effect is a natural process
that warms the Earth's surface. It occurs when certain gases in the atmosphere trap
heat from the sun, preventing it from escaping back into space. These gases, such as
carbon dioxide (CO2), methane (CH4), water vapor, and others, are often referred to as
greenhouse gases.
2. explain how the greenhouse effect affects the earth. - - ANSWER The Earth's
atmosphere naturally contains gases like carbon dioxide, methane, and water vapor.
When sunlight reaches the Earth's surface, some of it is absorbed and warms the
surface. The warmed surface then emits infrared radiation (heat) back into the
atmosphere. Greenhouse gases in the atmosphere absorb some of this infrared
radiation and re-radiate it in all directions, including back toward the Earth's surface.
This process traps heat in the lower atmosphere, similar to how a greenhouse traps
heat to warm plants inside. As more heat is trapped in the atmosphere, the Earth's
average temperature increases
3. Which 5 natural factors affect climate? - - ANSWER Astronomical changes
Plate Tectonics
Asteroids
Volanic eruption
El nino and la nina
4. How do humans affect the climate? - - ANSWER Burining fossil fuels releases
carbon dioxide, deforestation, Industrial Processes, argiculture such as livestock and
rice cultivation produces methane, transportation, improper disposole of watse ladnfills
can produce methane
5. How do we know that what we are experiencing today is man-made climate change?
- - ANSWER Results speaks for itself. Comparing results for the amount of global
carbon emission to now, indicates that these are mand made climate change
6. What are ice core samples? - - ANSWER The air bubbles in the ice air from the
time when the snow fell, and they contain greenhouse gases.
7. How does plate operation affect the climate? - - ANSWER Plate tectonics can lead
to volcanic eruptions which realese gase, these emissions can temporarily block
sunlight, leading to short-term cooling of the Earth's surface
, 8. Explain what El nino and la nina are and how this can affect the climate? - -
ANSWER El nino occurs in the pacific ocean around christmas time. The water is
carried by the trade winds westwards and heated, warm seawater flows in the opposite
direction, towards south america, which dampens the upwelling of the cold ocean water.
Then the sea temperature beomces particulararly high, and this condition is called el
nino. The high temperature heats the air above, and the heat spreads around with the
wind systems so that the global air temparutre increases. La ina comes after el nino
and has the opooiste effect in that the sea water becomes colder and the global
temperature drops
9. Discuss the negative and positive consequences of climate change. - -
ANSWER Negative consequences of climate change:
Rising Temperatures,
Extreme Weather Events,
Sea-Level Rise
Impacts on Agriculture: as Changes in temperature and precipitation patterns affect
agricultural productivity and food security
Loss of Biodiversity
postive conseqeunces:
Extended Growing Seasons:
Warmer temperatures and longer growing seasons in certain regions may increase
agricultural productivity and allow for the cultivation of new crops.
Opening of Arctic Shipping Routes:
Melting sea ice in the Arctic Ocean has led to the opening of new shipping routes,
potentially reducing shipping distances and costs for some maritime transport routes.
Expanded Habitats for Some Species:
Expanded Habitats for Some Species: Some species may benefit from warmer
temperatures and expanded habitats, leading to increased biodiversity in certain
regions.
10. Give at least two examples of greenhouse gases. - - ANSWER Carbond dioxide
and methane
AND - ANSWER S
Explain the greenhouse effect - - ANSWER The greenhouse effect is a natural process
that warms the Earth's surface. It occurs when certain gases in the atmosphere trap
heat from the sun, preventing it from escaping back into space. These gases, such as
carbon dioxide (CO2), methane (CH4), water vapor, and others, are often referred to as
greenhouse gases.
2. explain how the greenhouse effect affects the earth. - - ANSWER The Earth's
atmosphere naturally contains gases like carbon dioxide, methane, and water vapor.
When sunlight reaches the Earth's surface, some of it is absorbed and warms the
surface. The warmed surface then emits infrared radiation (heat) back into the
atmosphere. Greenhouse gases in the atmosphere absorb some of this infrared
radiation and re-radiate it in all directions, including back toward the Earth's surface.
This process traps heat in the lower atmosphere, similar to how a greenhouse traps
heat to warm plants inside. As more heat is trapped in the atmosphere, the Earth's
average temperature increases
3. Which 5 natural factors affect climate? - - ANSWER Astronomical changes
Plate Tectonics
Asteroids
Volanic eruption
El nino and la nina
4. How do humans affect the climate? - - ANSWER Burining fossil fuels releases
carbon dioxide, deforestation, Industrial Processes, argiculture such as livestock and
rice cultivation produces methane, transportation, improper disposole of watse ladnfills
can produce methane
5. How do we know that what we are experiencing today is man-made climate change?
- - ANSWER Results speaks for itself. Comparing results for the amount of global
carbon emission to now, indicates that these are mand made climate change
6. What are ice core samples? - - ANSWER The air bubbles in the ice air from the
time when the snow fell, and they contain greenhouse gases.
7. How does plate operation affect the climate? - - ANSWER Plate tectonics can lead
to volcanic eruptions which realese gase, these emissions can temporarily block
sunlight, leading to short-term cooling of the Earth's surface
, 8. Explain what El nino and la nina are and how this can affect the climate? - -
ANSWER El nino occurs in the pacific ocean around christmas time. The water is
carried by the trade winds westwards and heated, warm seawater flows in the opposite
direction, towards south america, which dampens the upwelling of the cold ocean water.
Then the sea temperature beomces particulararly high, and this condition is called el
nino. The high temperature heats the air above, and the heat spreads around with the
wind systems so that the global air temparutre increases. La ina comes after el nino
and has the opooiste effect in that the sea water becomes colder and the global
temperature drops
9. Discuss the negative and positive consequences of climate change. - -
ANSWER Negative consequences of climate change:
Rising Temperatures,
Extreme Weather Events,
Sea-Level Rise
Impacts on Agriculture: as Changes in temperature and precipitation patterns affect
agricultural productivity and food security
Loss of Biodiversity
postive conseqeunces:
Extended Growing Seasons:
Warmer temperatures and longer growing seasons in certain regions may increase
agricultural productivity and allow for the cultivation of new crops.
Opening of Arctic Shipping Routes:
Melting sea ice in the Arctic Ocean has led to the opening of new shipping routes,
potentially reducing shipping distances and costs for some maritime transport routes.
Expanded Habitats for Some Species:
Expanded Habitats for Some Species: Some species may benefit from warmer
temperatures and expanded habitats, leading to increased biodiversity in certain
regions.
10. Give at least two examples of greenhouse gases. - - ANSWER Carbond dioxide
and methane
