Q: Q: What gland is a butterfly-shaped organ located in the neck anterior to the trachea? Choices: - pituitary gland - pineal gland - adrenal gland - thyroid gland A:
A: thyroid gland

Q: Q: What kind of waves consist of vibrating electric and magnetic fields? Choices: - gaseous waves - sound waves - hydraulic waves - electromagnetic waves A:
A: electromagnetic waves

Q: Q: Which of the animals digest cellulose with the aid of methanogens? Choices: - pigs - apes - goats - cows A:
A: cows

Q: Q: Sodium is an example of what sort of thing that cannot exist by itself in nature? Choices: - concept - compound - aspect - element A:
A: element