Answer:
b. theory
Explanation:
Theory -
It is the piece of information , which is given on the basis of various facts , experiments and data , is referred to as a theory.
Publishing a theory require a lot of research and knowledge about the certain topic , so as to provide true and authentic information .
Hence, from the information given in the question,
The correct term is theory.
Answer:
Two of the exclusive responsibilities of the states in the United States are providing for public safety, health, welfare and regulating intrastate commerce.
Explanation:
The United States has a federal system where many of the day-to-day governing functions are under the jurisdiction of the individual states and the federal government has only certain exclusive powers like naturalization and declaring war. Exclusive powers are those powers that are reserved to either the federal government or to the individual states themselves, they are not powers they share. Concurrent powers are powers shared by the federal government and the states. Both the states and the federal government have the power to tax the citizens and to make laws as concurrent powers. Both the federal and state governments can also charter banks or borrow money.
That statement is False.
If the researcher is using random sampling, All subjects that chosen for the study had equal responsibility of being chosen
When the researcher determines that the amount of female and male subjects, must be the same, the research no longer has the equal opportunity for all the test subjects to be chosen.
Answer:
SPECT Single-photon emission computed tomography
Explanation:
SPECT is a technique that is used for tomography of the brain to know how the tissue and blood working in the brain. It shows the activity in the brain. This technique helps in diagnoses brain stroke, head injury, ischemia attack, blockage and mental illness like schizophrenia, Alzheimer's, etc.
It is an unclear imaging technique that merges with computed tomography and finds out the problem through a combination of SPECT. Before doing SPECT, an injection is injected into the blood stream. This technique is used to know the blood is flowing in arteries and veins.