Q: Answer the following question given this paragraph: Some molecules are not able to satisfy the octet rule by making only single covalent bonds between the atoms. Consider the compound ethene, which has a molecular formula of C 2 H 4 . The carbon atoms are bonded together, with each carbon also being bonded to two hydrogen atoms. Q: The carbon atoms are bonded together, with each carbon also being bonded to two of what kind of atoms? Choices: - calcium - helium - ions - hydrogen A:
A: hydrogen

Q: Answer the following question given this paragraph: Amines serve a wide variety of uses. Diphenylamine acts as a stabilizer for certain types of explosives. Amines are found as components in some lubricating materials, in developers, and are a part of waterproofing textiles. Some amines, such as novocaine, are used as anesthetics. Many pharmaceutical compounds contain amines, including 8 of the 10 most prescribed medications in 2012. Q: Diphenylamine acts as a stabilizer for certain types of what? Choices: - toxins - enzymes - proteins - explosives A:
A: explosives

Q: Answer the following question given this paragraph: Eggs form in the ovaries. After puberty, an egg is released from an ovary each month in the process of ovulation. The egg passes through the fallopian tube where fertilization may take place. Q: What part of the body are eggs formed in? Choices: - brain - intestine - pancreas - ovaries A:
A: ovaries

Q: Answer the following question given this paragraph: Circadian rhythms are regular changes in biology or behavior that occur in a 24-hour cycle. In humans, for example, blood pressure and body temperature change in a regular way throughout each 24-hour day. Q: What are regular changes in biology or behavior that occur in a 24 hour cycle? Choices: - cognitive rhythm - auditory rhythm - life cycle - circadian rhythm A:
A: circadian rhythm