Which of the following statements best provides evidence of the big bang theory? A. The North Pole of Earth points to the North Star.

B. Galaxies found in the universe have different shapes.

C. The Sun contains most of the mass that makes up the solar system.

D. Galaxies show a red shift, indicating they are moving away from each other.

D. Galaxies show a red shift, indicating they are moving away from each other.

Explanation:

Galaxies seem to show a red shift which indicates that the galaxies are moving away from each other. This provides evidence for the Big Bang theory because the theory posits galaxies will keep moving away from each other.

This is because when an explosion happens, matter moves away from the point where the explosion happened. If the Big Bang happened therefore, galaxies will move away from the source which is why galaxies are moving away from each other.

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation:

it takes hundreds of years to become stable.

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