True. if it is a true/false question the answer is True.
'Red shift' is a key concept for astronomers. The term can be understood literally - the wavelength of the light is stretched, so the light is seen as 'shifted' towards the red part of the spectrum.
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Answer:
Additional Information: Mutualism is the relationship where both organisms get positive results from it. An example of mutualism is the relationship between remora and shark.When one organism lives on another organism, that type of symbiotic relationship is called parasitism.
<span>Metalloids are metallic-looking brittle solids that are either semiconductors or exist in semiconducting forms, and have amphoteric or weakly acidic oxides. Typical nonmetals have a dull, colored or colorless appearance; are brittle when solid; are poor conductors of heat and electricity; and have acidic oxides.</span>
Preventing some illnesses, fitness level and what things we do can do to us I think