The correct answer is C) Wood burning. Hope this helps.
C they are always found in homologous pairs
Its release when it has a phosphate group removed
With the choices given, the answer to the biology question presented above would be b. heavy metals such as mercury. Heavy metals contribute to soil pollution more than air pollution. The other choices are sources of air pollution. Thus, letter b is the answer.
What makes plants special is that they produce their own food. Leaves capture the sunlight in order to do this. They contain a pigment called chlorophyll, which makes the leaves green. Using carbon dioxide, water, nutrients, and energy from sunlight, the chlorophyll makes the food that the plant needs.