What are the pros and cons of space research ad exploraton? specifically some examples (i chose biology for the subject but it is astronomy and there was no option for astronomy)

pros:we get to learn ab whats out thier.

Cons: thier are probaly better places to put that money

Explanation:

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.

a- all cells come from pre-existing cells