Answer:
Explanation:
Option D: <u><em>Increasing the mass by sitting people inside</em></u>
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During body temperature regulation, temperature receptors in the skin communicate information to the brain (the control center) which signals the effectors: blood vessels and sweat glands in the skin.
B--Condensation. <span>Condensation </span>is<span> responsible for the formation of </span><span>clouds,</span>
The correct answer is angioplasty.
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Angioplasty is one of the treatments after heart attack including special tubing with an attached deflated balloon. The tube is threaded up to the coronary arteries. Angioplasty is usually combined with the placement of a small tube called a stent which helps to restore the flow of blood through the artery and decreases its chance of narrowing again.</span>
Answer:
Scientist count the world humans population with an organization called The United Nations Population Division (UNPD),
Explanation:
Which keeps track of the world population, projects that the world's human population will hit 7 billion on Halloween Day 2011. Admittedly, that is just an estimate: There's no way to know exactly how many people are alive at any given moment, and the true date that humanity's ranks will surpass 7 billion could come in the weeks or months before or after Oct. 31. Nonetheless, the UN's guess is the best there is.