Ques: Q: Decreasing the volume of a gas and keeping everything else the same will cause its pressure to change in what way? Choices: - heat up - decrease - lower - increase A:
Ans: increase

Ques: Q: What do you call the regular changes in biology or behavior that occur in a 24-hour cycle? Choices: - cognitive rhythms - variable rhythms - sleep rhythms - circadian rhythms A:
Ans: circadian rhythms

Ques: Q: The sum of the masses of the atoms in the formula is referred to as what? Choices: - nucleus mass - magnetic mass - atomic mass - molecular mass A:
Ans: molecular mass

Ques: Q: The electrons in a water molecule are more concentrated around the more highly charged oxygen nucleus than around this? Choices: - helium nuclei - carbon nuclei - peroxide nuclei - hydrogen nuclei A:
Ans:
hydrogen nuclei