Question

27 multiple choice 2 points which of the following are problems associated with landfills? source reduction and composting all of the above. surface impoundment and leachate leachate and methane production 28 multiple choice 2 points dust storms, volcanoes, and wildfires are all natural causes of pollution. natural events that do not cause pollution. causes of pollution people can control. causes of pollution due to human activities.

Explanation:

For question 27, source reduction and composting are waste - management solutions, not landfill problems. Surface impoundment is a different waste - disposal method. Leachate (contaminated liquid) and methane (a greenhouse gas) are well - known problems associated with landfills.
For question 28, dust storms, volcanoes, and wildfires are natural phenomena that can release pollutants into the environment and are natural causes of pollution. They are not human - controlled and are not due to human activities.

Answer:

1. D. leachate and methane production
2. A. natural causes of pollution