<h2><u><em>1 point: There is no hypothesis stated.
</em></u></h2><h2><u><em>1 point: In asking for volunteers, the teacher is taking a nonrandom sample that is probably not representative of the population of interest.
</em></u></h2><h2><u><em>1 point: Neither dreams nor nightmares are operationally defined, so they might be interpreted differently by later researchers.
</em></u></h2><h2><u><em>1 point: The research is not blind. The teacher could influence the results by the way he asked questions.
</em></u></h2><h2><u><em>(choose 2)</em></u></h2>
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.
Pizza, burritos, eyes, swords
Anser:D
Explanation:The victory over the French and Indian war was very significant and it also gave George Washington some leading experience.
