Answer: Down syndrome and cystic fibrosis
they use natural selection because they got separated from their kind and have to make new living also they need to adapt to the environment
The correct answer is letter B. The microphone is the part of the telephone the converts sound waves into electrical signals that can be sent through the phone line and then towards the receiver on the other side. The telephone is one of the most important inventions made by man as it allowed communication to speed up through time.
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The five processes in the nitrogen cycle – fixation, uptake, mineralization, nitrification, and denitrification – are all driven by microorganisms.
