Neighbors? Friends? That's what I would think.
It is a good idea because it helps to detect if there is too much carbon monoxide in the house. If there is too much, it can be poisonous and the detector will let you know. this answer would be TO AVOID POISONING BY A BUILDUP OF CO GAS.
btw, is this platoweb? just curious.
Answer: c.chemistry, biology, and engineering
Biotechnology is an area of biology involving the use of living organisms to develop products or new technology. Knowledge in biology is essential since living organisms are the main component of this career path. Chemistry and engineering are needed to understand how chemicals will affect and alter the products.
I believe Sandra will gain weight because she is not in a state of balance. She will eat about 2000 calories and then lie down the whole day without exercise or moving her body. Though she loses 1200 calories, still the amount she intake is higher that the amount of calories she loss.
50% of American adults do not exercise on a regular basis.