Some Environmental Scientists Have Interviewed Residents in a Community Where

question 19

Multiple Choice

Some environmental scientists have interviewed residents in a community where there are many fuel processing plants. It seems that there is a high cancer rate in the area. Which of the following will provide the scientists with the data they need for 100% certain results that the cancer rates are directly correlated to the fuel processing plants?

• A) Surveys of residents affected by cancer and how close they live to the processing plants
• B) Blood tests of those with cancer who live near the processing plants
• C) Blood tests of people before they move near the plants and then a few years later after living near the plants
• D) All of the above
• E) None of the above

---

Definitions:

Base Operating System

The fundamental software that provides the core functions and services upon which additional applications and processes can run on a computer.

Server

Computers that support networks, enabling users to share files, software, and other network devices.

Group-based Tool

Software designed to facilitate collaborative work or feedback among a group of users or team members.

User Requirements

User Requirements define the needs, expectations, and constraints that users specify for a system or software product to solve a particular problem.