Q: What happens to the volume of the gas when temperature increases but amount of gas and its pressure are constant? Choices: - nothing - volume remains constant - volume decreases - volume increases A:
volume increases

(Question)
Q: What do the muscles of the gastrointestinal tract do? Choices: - break down food - secrete stomach acid - stop digestion - keep food moving A:
(Answer)
keep food moving

Ques: Q: What term is defined as a way of writing very large or small numbers that uses exponents? Choices: - certain notation - exponential notation - quadratic notation - scientific notation A:
Ans: scientific notation

(Q).
Q: Recrystallization is a process that can remove what, which result when compounds are synthesized? Choices: - chemicals - substances - minerals - contaminants A:
(A).
contaminants

Ques:Q: What does all matter consist of? Choices: - carbon - helium - oxygen - atoms A:

Ans:atoms

Q: The voltage and current are exactly in phase in a what? Choices: - battery - capacitor - harmonic - resistor A:
resistor