(Q).
Q: What kind of waves travel through liquids and solids as well as air? Choices: - light waves - mind waves - radio waves - sound waves A:
(A).
sound waves

(Q).
Q: Scanning acoustic microscopes use what kind of waves to scan a specimen? Choices: - radio waves - heat waves - gamma waves - sound waves A:
(A).
sound waves

(Q).
Q: What is the total number of codons? Choices: - 45 - 51 - 68 - 64 A:
(A).
64