Answer: the diversification of a group of organisms into forms filling different ecological niches
Explanation:
Answer: machinery and equipment developed from the application of scientific knowledge.
The answer is A. a light wave
C and D both need water as a medium and sound needs air to vibrate in order to travel. light, on the other hand, does not need a medium
Viral infection involves a large number of protein protein interactions (PPls) between virus and its host. These interactions rage from the initial binding of viral coat proteins to host membrane receptor to the hijacking the host transcription machinery by viral proteins.
