Question: Q: What is the leading cause of death in the united states? Choices: - suicide - automobile accidents - lung cancer - heart disease A:
Answer: heart disease

Question: Q: What type of plate boundaries produce huge mountain ranges in the ocean basin? Choices: - coherent - parallel - tractional - divergent A:
Answer: divergent

Question: Q: The presence of what, which acts as a trigger, affects the rate of chemical reaction? Choices: - friction - heat - light - catalyst A:
Answer:
catalyst