Answer:
Natural selection is a mechanism of evolution. Organisms that are more adapted to their environment are more likely to survive and pass on the genes that aided their success. This process causes species to change and diverge over time.
Electrical resistance is the opposition to current flow. See also a discussion of AC and DC, as well as an introductory video.
Explanation:
When the subject needs to be emphasized more than the action performed,the active voice is used.So (a) is correct
Replacing the concept of a belief-based, non-verifiable being with Ford, a man who existed, eliminates all the wonder and mystery related to traditional religions. <span>Also eliminating all other belief systems with a single, inarguable "godhead" rids the World State citizens of anxiety and conflicts based on religious beliefs and orthodoxies.</span>