You are presented with the question "What do viruses contain?" and the following answer choices: - electromagnetic energy - light energy - resistance - contamination - Deoxyribonucleicacid - Chemical energy - harmful substances - Leptospirosis Now knowing that viruses contain DNA but not much else and dNA stands for Deoxyribonucleicacid, choose the best answer.
Deoxyribonucleicacid

You are presented with the question "What type of trunk does evergreen usually have?" and the following answer choices: - oak - greenwood - woody - bark - hollowed - Spruce - spiny - bent Now knowing that most modern gymnosperms are trees with woody trunks and gymnosperms are the plants that are known as evergreens, choose the best answer.
woody

You are presented with the question "What can most humans only survive a few days without?" and the following answer choices: - oxygen - food - edema - sex - sodium - socialization - water - liquid Now knowing that most people can survive only a few days without water and all people belong to the human family, choose the best answer.
water

You are presented with the question "What breathes with gills as larvae and with lungs as adults." and the following answer choices: - Salmon. - Frogs. - parasites - Whales. - Mice. - a fish - air - tortoises Now knowing that most amphibians breathe with gills as larvae and with lungs as adults and all frogs are amphibians, choose the best answer.
Frogs.