Which best explains how and why scientific knowledge is continually expanded and improved?

Hello. This question is incomplete. The full question is:

Which best explains how and why scientific knowledge is continually expanded and improved?

The scientific process flows in one direction and finds only facts that support a scientist’s original idea.  The scientific process is cyclical so that new facts inspire questions that lead to new studies.  Once explanations are found to be true, they do not need to be questioned; then scientists can stop studying the topic.  Once facts are found through experiments and observations, other scientists do not need to repeat the experiments."

The scientific process is cyclical so that new facts inspire questions that lead to new studies.

Explanation:

As you already know, scientific knowledge is continuously expanded and improved. This is because the scientific process is cyclical, so that new facts inspire questions that lead to new studies.

These new studies guarantee the scientific and technological advancement necessary for us to evolve more and more, through new technologies that make our lives easier, new concepts that allow a better knowledge of our organism, new solutions for old problems and a better maintenance of our health.

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation:

ans.

dna fingerprinting is defined as a process that determines the dna characteristics of an individual. these dna characteristics are unique among individuals as their fingerprints, so it is known as dna fingerprinting.

steps of dna fingerprinting includes extraction of dna from sample, amplification of dna, restriction digestion of amplified dna, and then analysis of dna by gel electrophoresis, respectively.

thus, the next step performed by the scientist is 'to cut the amplified dna (obtained by polymerase chain reaction) by restriction enzymes that cleave the dna into fragments and their analysis.'