Question

applied research attempts to solve a practical problem and tests theories in a real - life context. which one of the following research questions demonstrates the use of applied research? how did the universe begin? how does illegal immigration affect the economy in the u.s.? what percentage of the u.s. citizen population can trace ancestry to france? what is the specific genetic code of an earthworm?

Explanation:

Applied research aims to solve practical problems. The question about how illegal immigration affects the U.S. economy is relevant to real - life economic and social issues, and findings could be used for policy - making and economic planning. The other questions are more fundamental or descriptive in nature. The origin of the universe is a theoretical physics question, the percentage of U.S. citizens with French ancestry is a descriptive demographic question, and the genetic code of an earthworm is a fundamental biological research question.

Answer:

How does illegal immigration affect the economy in the U.S.?