Answer:
Skin acts a defensive and protective layer. It protects the internal body from pathogens, which are disease causing bacteria. The skin can fend off bacteria, particles, foreign bodies, etc.
Explanation:
Elevation because it means the level of a point surface height above the sea level
Answer:
B.
Explanation:
If there was a pattern are formed by the rates of evolution in different lineages then indeed the answer would be B.
sorry what this means¯\_(ツ)_/¯
Answer:
Most humans cannot see ultraviolet light because it has a smaller wavelength than violet light, putting it outside of the visible spectrum.
