Q: What is the distance that sound waves travel in a given amount of time called? Choices: - velocity of sound - momentum of sound - force of sound - speed of sound A:
speed of sound

(Question)
Q: What shape are the eight sides of an octahedra? Choices: - rectangles - hexagon - square - triangles A:
(Answer)
triangles

Ques: Q: When food enters the stomach after a period of fasting, a drop in what initiates the conversion of pepsinogen to pepsin? Choices: - calcium - white blood cells - acid - ph A:
Ans: ph

(Q).
Q: What does it mean to be a diploid organism? Choices: - yolk has two copies of each gene - taproot has two copies of each gene - micelles have two copies of each gene - organism has two copies of each gene A:
(A).
organism has two copies of each gene

Ques:Q: What causes the menstrual cycle to be repeated? Choices: - gravity - uteris - ovaries - lack of fertilization A:

Ans:lack of fertilization

Q: What serves to replace nonreproducing specialized cells as needed in the adult body? Choices: - osteoclast cells - monocyte cells - dendritic cells - stem cells A:
stem cells