B, the independent variable because this is the one that is purposefully changed in an experiment to test the hypothesis.
The correct answer is p53 gene.
This is one of the most important genes in our bodies, which is evident by its nickname of the "guardian angel of the genome." It is called that way because it protects our cells from becoming cancerous. It also activates many other genes.
Answer:
scientists form opinions based on evidence and decide how the idea should change.
Explanation:
scientific rarely change , because they are based on extensive edivence. new evidence leads to modification of ideas
Answer:
Aquatic life quickly suffers the effects of watershed pollution, while new pollutants introduced into ecosystems alter wildlife habitats. This reduces biodiversity by eliminating some species and introducing new, invasive ones that destroy the native species.
Explanation:
Answer is <span>c. penicillin </span>
