Practice check: Choose the correct environmental science answer: which practice helps conserve soil?

✅ B. Electromagnetic wave

a: Sound wave | b: Electromagnetic wave | c: Water wave | d: Seismic S-wave Read more

✅ D. Energy from sources replenished naturally on human timescales

a: Energy only from oil | b: Energy only from coal | c: Energy from burning peat only | d: Energy from sources replenished naturally on human timescales Read more

✅ C. 300,000 km/s

a: 30,000 km/s | b: 3,000,000 km/s | c: 300,000 km/s | d: 3,000 km/s Read more

✅ B. concave lens

✅ B. Maintaining plant cover and reducing erosion

a: Overgrazing slopes | b: Maintaining plant cover and reducing erosion | c: Removing all vegetation | d: Burning topsoil Read more

✅ A. Leukocytes

✅ B. The Moon

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

✅ C. 7

a: 14 | b: 1 | c: 7 | d: 4 Read more