Q: Both diffusion and effusion are related to the speed at which what objects move? Choices: - electricity - copper molecules - solids - gas molecules A:
gas molecules

(Question)
Q: Silk and cotton are examples of what type of fibers? Choices: - mechanical - artificial - coral - natural A:
(Answer)
natural

Ques: Q: Noble gases are monatomic because they only contain one of what? Choices: - ions - molecules - charges - atoms A:
Ans: atoms

(Q).
Q: Internal body fluids link exchange surfaces to what else? Choices: - ligaments - organs - tissue - body cells A:
(A).
body cells

Ques:Q: Centrioles are a very important part of what? Choices: - centricles - tubercles - enterocytes - centrosomes A:

Ans:centrosomes

Question: Q: What is the ratio of the uncertainty to the measured value, multiplied by one-hundred called? Choices: - variable uncertainty - amount uncertainty - percent inconsistency - percent uncertainty A:
Answer:
percent uncertainty