Describe the role a microbiologist and a medical laboratory technician would play in solving this case of the unknown bacteria.

The unknown bacteria can be identify through the expertise of a microbiologist based on cell and colony morphology, chemical composition of cell walls and biochemical activities of bacteria.

Moreover, the medical laboratory technician perform the different procedures such as gram stain, culture and sensitivity procedure and biochemical tests, which are the most definitive way to identify bacterial species to help the microbiologist in the  bacterial identification and give assessment based on the results.

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.

i'd say that the moon rock is about 2.2 billion years old.