These three different subsets of bacteria although all from the same family have very different qualities. They are related by their common biological mechanisms though.
Likely this was an inversion event.
The correct answer is A. Wind power which converts wind to electrical energy. Wind is used to turn turbines to produce a generator which generates electricity. No pollution is produced in this way.
The other options, B,C and D produces pollutants when burned or used, the main one being carbon dioxide. Natural gas, fossil fuels and biomass energy are derived from organic materials and as such release carbon dioxide, the main green house gas that contributes to present day global warming.
it would be B. the intertidal zone only cover by high tides
They form natural gas or fuel and coal.