Q: What type of activity in the brain causes epilepsy? Choices: - hormone imbalance - toxic overload - bleeding - abnormal electrical activity A:
abnormal electrical activity

Q: What important process takes place in specialized tissue inside plant leaves? Choices: - pollination - mitosis - reproduction - photosynthesis A:
photosynthesis

Q: The anodes in each cell of a rechargeable battery are plates or grids of lead containing spongy lead metal, while the cathodes are similar grids containing powdered what? Choices: - carbon dioxide - straight dioxide - coal - lead dioxide A:
lead dioxide