Question

which of the following are sources of greenhouse gases? select all that apply a organic waste in landfills b burning coal c volcanic eruptions d photosynthesis

Explanation:

Organic waste in landfills decomposes and produces methane, a greenhouse gas. Burning coal releases carbon - dioxide, a major greenhouse gas. Volcanic eruptions emit carbon - dioxide and other greenhouse gases. Photosynthesis absorbs carbon - dioxide and is not a source of greenhouse gases.

Answer:

A. Organic waste in landfills
B. Burning coal
C. Volcanic eruptions