Ques: Q: Which blood leaves the placenta through veins leading back to the fetus? Choices: - immunity - molecular - pelvic - fetal A:
Ans: fetal

Ques: Q: What do you call the two ends of a magnet where the magnetic effect is strongest? Choices: - plates - magnetos - opposites - poles A:
Ans: poles

Ques: Q: What are the three types of rna involved in protein synthesis? Choices: - messenger, organic and transfer - messenger, transfer, and organic - organic , transfer , and ribosomal - messenger, transfer, and ribosomal A:
Ans: messenger, transfer, and ribosomal

Ques: Q: What does an ammeter measure the flow of? Choices: - water under pressure - wind - magnetic fields - current through a circuit A:
Ans:
current through a circuit