Q: What is another name for a broad explanation that is supported by a great deal of evidence? Choices: - hypothesis - concept - conjecture - theory A:
theory

(Question)
Q: What gland is located at the base of the brain and secretes the hormone melatonin? Choices: - thymus - pituitary - thyroid - pineal A:
(Answer)
pineal

Ques: Q: In which type of reaction are compounds formed? Choices: - gaseous reaction - acid reaction - balanced reaction - chemical reaction A:
Ans: chemical reaction

(Q).
Q: Ion drives have low thrust but high what? Choices: - power - acceleration - tolerance - efficiency A:
(A).
efficiency

Ques:Q: What is the hollow and muscular balloon-shaped organ that collects urine? Choices: - prostate - urethra - kidney - urinary bladder A:

Ans:urinary bladder

Q: The combined magnetic force of the magnetized wire coil and iron bar makes an electromagnet what? Choices: - very reduced - Very light - very heavy - very strong A:
very strong