The answer is obsessive-compulsive disorder. Compulsive and usually unwanted thoughts and actions (rituals) are the common features of the disorder. Although OCD is usually associated with repeating the actions over and over, such as obsessive hand-washing or having to flick a light switch a certain number of times, many people who suffer from OCD struggle with frequent unwanted thoughts and images.
Answer:
A variety of light bulbs contain mercury. Mercury is important in lighting since it helps to the efficiency and longevity of the bulbs. In general, fluorescent and other mercury-added bulbs are more energy efficient and last longer than incandescent and other comparable lights.
The choke's job is to create a very high voltage between the filaments at first (across the two ends of the tube light). The choke again delivers a low voltage after the gas in the tube is ionized. A choke is a wire coil. Mercury vapor fills fluorescent tubes and lights.
Explanation:
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The arteries in the image appear red because they are carrying oxygenated blood to the body. That is option B.
<h3>What is an artery?</h3>
An artery is known to be vessels that are surrounded by smooth muscles whose major function.is to distribute oxygenated blood from the lungs.
The blood is oxygenated in the lungs and is transported to the heart where it is then pumped to the whole body through the aorta.
Therefore, the arteries in the image appear red because they are carrying oxygenated blood to the body.
Learn more about blood vessels here:
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