Answer the following question given this paragraph: Most chemical reactions in organisms take place in an environment that is mostly water. Q: The environment where most chemical reactions in organisms takes place consists mostly of what? Choices: - air - sodium - helium - water A:
water

Answer the following question given this paragraph: Knowledge gained by this basic research on yeast cells has been applied to practical problems. Scientists have developed drugs to treat cancer based on knowledge of the cell cycle. Cancer is a disease in which cells divide out of control. The new drugs interfere with the cell cycle of cancer cells, so the cells stop dividing. This is an example of applied science. The aim of applied science is to find solutions to practical problems. Applied science generally rests on knowledge gained by basic science. Q: What is the name for the disease in which cells divide out of control? Choices: - diabetes - mutation - angina - cancer A:
cancer

Answer the following question given this paragraph: Like the other outer planets, Neptune has rings of ice and dust. These rings are much thinner and fainter than Saturn's. Neptune's rings may be unstable. They may change or disappear in a relatively short time. Q: Like the other outer planets, neptune has rings of ice and what? Choices: - gas - mercury - glass - dust A:
dust

Answer the following question given this paragraph: Immunity can be acquired in an active or passive way, and it can be natural or artificial. Watch this video (http://openstaxcollege. org/l/immunity) to see an animated discussion of passive and active immunity. What is an example of natural immunity acquired passively?. Q: What bodily defense can be acquired in an active or passive way, and can be natural or artificial? Choices: - skin - membrane - nerves - immunity A:
immunity