What is the process of capturing carbon from the atmosphere, using plants grown on farms called?
Afforestatiion
Reforestation
Carbon farming
Sustainable agriculture
Which of the following is the most serious environmental consequence of soil degradation?
Dust storms
Desertification
Mudflows
Salinization
What is the minimum soil depth required for agricultural production?
10 mm
100 cm
150 mm
150 cm
How long does it take for natural processes to replace 25mm of topsoil?
10 years
25 years
100 years
500 years
What is the farming system in which the seeds are directly deposited into untilled soil called?
Overgrazing
No-till farming
The universal Soil Loss Equation is:
A = RK
A = SCP
S = ARKLCP
A= RKLSCP
Universal Soil Loss Equation predicts the amount of soil losses that may occur from:
Wind erosion
Rill erosion
Gully erosion
Tillage erosion
What is the presence of toxic chemicals in soil in high concentrations called?
Acidification
Soil pollution
Soil erosion
What is the process that leads to the accumulation of soluble salts in soil called?
Saltation
What is the informal geologic chronological term for the period that serves to mark the evidence and extent of human activities that have had a significant global impact on the Earth's ecosystems?
Cretaceous
Holocene
Anthropocene
Jurassic