The correct answer is c. Genetic Variation. Bacteria are very numerous, ad random mutation of bacterial DNA generates a wide variety of change, including resistance.
Francis Crick discovered the DNA structure.
Answer:
The answer is:
A. An organism whose cells each contain a membrane-bound nucleus.
Hope that helps. :)
Answer:
An energy transformation is the change of energy from one form to another. Energy transformations occur everywhere every second of the day. There are many different forms of energy such as electrical, thermal, nuclear, mechanical, electromagnetic, sound, and chemical.
the answer is B which is a crack in the topmost section of a glacier. I hope you got this right
