Because the universe is expanding, what happens to light from other galaxies as it reaches Earth? It is dimmer.

It is red shifted.

It is blue shifted.

It is brighter.

It's blue shifted

Explanation:

As galaxies move away from Earth, they move to a red shift, and the wavelength gets longer. But as they move towards Earth, they move to a blue shift and the wavelength gets shorter.

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.