Ques:Q: What is the largest object in the solar system? Choices: - the orbit - the earth - jupiter - the sun A:

Ans:the sun
-----
Ques:Q: What is a soft, gray, nontoxic alkaline earth metal? Choices: - pewter - magnesium - potassium - calcium A:

Ans:calcium
-----
Ques:Q: What term is used to describe structures that are similar in unrelated organisms? Choices: - reproductive - symbolic - isolated - analogous A:

Ans:analogous
-----
Ques:Q: What play an important role in the modulation of the nuclear chain reaction? Choices: - radiation rods - control neutrons - particle rods - control rods A:

Ans:
control rods
-----