Q: In boys, what hormone stimulates the growth of the larynx and thickening and lengthening of the vocal folds, which causes the voice to drop in pitch during puberty? Choices: - Sexual - Endocrine - Petuitary - testosterone A:
testosterone

(Question)
Q: An atom can be classified as a particular element based solely on its what? Choices: - light number - spectrum - ability - atomic number A:
(Answer)
atomic number

Ques: Q: What is responsible for many properties of covalent compounds, which have relatively low boiling points, cannot conduct electricity, and may not dissolve in water? Choices: - ionic charge - accretion bonds - atomic weight - covalent bonds A:
Ans: covalent bonds

(Q).
Q: What is the fluid that carries sperm through the urethra and out of the body, and provides it with nutrients? Choices: - blood - bacteria - yeast - semen A:
(A).
semen

Ques:Q: What kind of bonds are there between carbon atoms in saturated fatty acids? Choices: - electrical - double - chemical - single A:

Ans:single

Q: What substances contained in lemons, vinegar, and sour candies have a sour taste? Choices: - proteins - fats - lactose - acids A:
acids