Q: If ethanol is produced by alcoholic fermentation of the sugar in corn, then ethanol is produced by alcoholic fermentation of what? Answer choices: - chlorofluorocarbons - acetic acid - Chemical energy - carbon dioxide - Organic compounds - bioaerosols - aqueous solution - sugar in corn
A: sugar in corn

Q: If fire ants may live in large colonies, then what may live in large colonies? Answer choices: - animals - tigers - tardigrades - fire ants - bears - honeybees - orchids - graptolites
A: fire ants

Q: If to reproduce, mammals attract a partner through smell, then to reproduce, mammals attract a mate through what? Answer choices: - Smell - genes - saliva - eggs - sex - gametes - fur - warmth
A: Smell

Q: If nitrogenous wastes are excreted in urine, then how are nitrogenous wastes excreted? Answer choices: - solutes - wetland - salmon - urine - soil - harmful - gills - CO 2
A: urine