I’m confused about the texting part

Which of the following describes something an engineer would probably do first when developing new technology meant to reduce ocean pollution? o a. evaluate the benefits and challenges of using certain chemicals to purify water. o b. research new scientific findings in regard to ocean cleanup. o c. identify the need to reduce ocean pollution. o d. research what has been done in the past to clean up oceanic oil residue.

If element x has 99 protons how many electrons does it have

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)