Shannon is a researcher who studies sleep patterns in humans. shannon most likely uses

a) laboratory observation.
b) case studies.
c) naturalistic observation.
d) structured observation.

A- laboratory observation

Explanation:

Laboratory observation, as opposed to naturalistic observation, refers to observing the behavior of subjects that are in a controlled environment. Because of the controlled environment variable factors can be controlled which therefore leads to a limited number of possible responses.

c. reserves power to the states and people

this headline suggests that midterm congressional   elections are at the corner and trump administration wants to activate his base by vowing to clamp down on immigrants and immigration as trump had said during his election campaign around two years ago. when a baby is born in usa, the baby becomes citizen of usa for 85 years and trump wants to end this rule of birthright citizenship to control illegal immigration and this what he said in an interview""we’re the only country in the world where a person comes in and has a baby, and the baby is essentially a citizen of the united states for 85 years, with all of those benefits,” "