Which of the Following Issues Exists from Communities Using Solid

Which of the following issues exists from communities using solid waste landfills to dispose of trash from private residences?

A) Landfills are too wasteful, as solid waste can be burned to produce energy.
B) Methane gas may move through the soil to cause fire or explosions nearby.
C) There is an ongoing need to purchase more land as landfills eventually fill up.
D) People do not use landfills but dump their garbage anywhere they will not be seen.