Question: Q: Saliva can carry the hiv virus, but it won't spread it, unless the saliva gets into what? Choices: - lungs - kidneys - liver - bloodstream A:
Answer: bloodstream

Question: Q: What is the measure of the change in the velocity of a moving object called? Choices: - transmission - compression - pressurization - acceleration A:
Answer: acceleration

Question: Q: What do we call the worldwide radio-navigation system formed from a constellation of 24 satellites and their ground stations? Choices: - cellular network - radio waves - compass - gps A:
Answer:
gps