21.
What type of waste is most hazardous to the geological environment?

22.
What geological feature often indicates a high risk of landslides?

23.
Which process is used to stabilize soils susceptible to erosion?

24.
Which gas contributes to ozone layer depletion and is a concern in environmental geology?

25.
What is an eco-friendly method to manage mining waste?

26.
What is the main goal of reclamation in disturbed land areas?

27.
Which of the following is NOT a geological indicator of past environmental pollution?

28.
What is the role of buffer zones in environmental geology?

29.
Which soil property is critical in assessing landslide susceptibility?

30.
How do wetlands contribute to environmental sustainability?

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