Relate anthropogenic carbon dioxide and methane emissions to changes in the climate system.
Tę umiejętność sprawdza 14 zadań wzorowanych na arkuszach IB z lat 2022–2025.
Carbon participates in molecular structures, ecosystem transfers and changes to the global environment. (a) Outline bonding properties that allow carbon to form many different molecules. (b) Describe processes that transfer carbon through an ecosystem. (c)…
Suggest how expansion of cattle farming can affect global climate.
A constructed climate record shows atmospheric CO₂ rising from 305 to 465 ppm while the long-term temperature anomaly rises from −0.2 to +1.3 °C. Which mechanism can explain the warming contribution of the additional CO₂? A. CO₂ removes the need for the Earth…
The constructed polar views show a reduction in sea-ice extent. Explain how burning fossil fuels could contribute to this change.
Water and dissolved substances connect the functioning of cells with the physical conditions of oceans. (a) Outline properties of water, linking each to its importance for living organisms. (b) Describe how water-soluble molecules and ions pass across cell…
Which radiation emitted by Earth is absorbed by greenhouse gases such as carbon dioxide and methane? A. Long-wave infrared radiation B. Short-wave ultraviolet radiation only C. Visible green light only D. Short-wave ultraviolet radiation reflected from the…
(a) Explain how temperature influences enzyme activity. (b) Outline how the thyroid gland contributes to regulation of human body temperature. (c) Describe how human activities contribute to a rise in mean surface air temperature.
How do increasing greenhouse-gas concentrations contribute to warming? A. They convert all infrared radiation directly into visible light B. They open a hole through every cloud C. They absorb outgoing infrared radiation, reducing energy loss at a given…
(a) Outline changes to atmospheric composition that living organisms have caused. (b) Explain how natural selection changes a population. (c) Explain how ventilation changes pressure inside the lungs.
Consumption of fossil fuels has increased greatly since industrialization. How does combustion contribute to the enhanced greenhouse effect? A. Combustion products such as CO₂ absorb outgoing infrared radiation B. Most of the effect comes from preventing…
Consumption of fossil fuels has increased greatly since industrialization. How does combustion contribute to the enhanced greenhouse effect? A. Combustion products such as CO₂ absorb outgoing infrared radiation B. Most of the effect comes from preventing…
Outline why a short interval could give a misleading impression of long-term climate change.
Explain how increasing atmospheric carbon dioxide strengthens the greenhouse effect.
Which listed human activity is the largest direct driver of the recent increase in atmospheric carbon dioxide? A. Expanding long-lived woodland B. Capturing carbon dioxide in permanent geological stores C. Burning coal, petroleum and natural gas D. Reducing…
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