Choose the correct environmental science answer: which gas is the largest contributor to human-caused warming by total emissions?

✅ B. January - July

✅ C. Breakdown of larger plastic items and synthetic fibres

a: Only volcanic ash | b: Only fresh snow | c: Breakdown of larger plastic items and synthetic fibres | d: Only untreated timber Read more

✅ B. The Moon

a: Europa | b: The Moon | c: Titan | d: Phobos Read more

✅ B. Auxology

✅ B. An area where water covers or saturates the soil for part or all of the year

a: A dry dune | b: An area where water covers or saturates the soil for part or all of the year | c: A volcanic crater only | d: A glacier peak Read more

✅ A. Ocean absorption of excess atmospheric carbon dioxide

a: Ocean absorption of excess atmospheric carbon dioxide | b: Extra oxygen dissolving | c: Sand movement only | d: Moonlight Read more

✅ A. 100°C

a: 100°C | b: 150°C | c: 50°C | d: 0°C Read more

✅ C. Gravity

a: Buoyancy | b: Friction | c: Gravity | d: Magnetism Read more