A group of college students working on a project on bio-gas have found some bacteria in the bio-gas plant. These bacteria can utilize methane as their source of energy and do not need oxygen for their survival. The kind of bacteria is Archaebacteria.
When the heated part of the mantle rises through the cooler part , this is an example of Convection.
The best and most correct answer among the choices provided by your question is the first choice or letter A.
The theory of special creation predicted that <span>species change by adaptation to their environment.</span>
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