Q: Many cancers, as well as autism, are thought to have what component, which is certainly a factor in asthma? Choices: - emotional - critical - ecological - environmental A:
environmental

Q: The strong affinity of concentrated sulfuric acid for water makes it a good agent of what? Choices: - diluting - hydrating - concentrating - dehydrating A:
dehydrating

Q: What forms in the ocean from the seafloor spreading? Choices: - underwater volcanoes - tsunamis - earthquakes - new oceanic crust A:
new oceanic crust

Q: A nerve cell that carries messages is called a? Choices: - mitochondria - stem cell - platelet - neuron A:
neuron