(Q).
Vertebrates are all chordates that have a backbone, and fish are the first known true chordates. Given these facts, what was the first known animal with a backbone among the following options: - pigs - Birds - sharks - Elephant - Dog - Fish - Human - Man
(A).
Fish

(Q).
Ethanol is produced by alcoholic fermentation of the glucose in corn or other plants, and alcohol includes ethanol and methanol. Given these facts, what can alcohol make among the following options: - death - negative - Loud noises - Pollution - methanol - anemia - Acids - Dehydration
(A).
methanol

(Q).
If food is not immediately used by the body for energy then that food will be stored for future use, and pottery was used for storage of water and food. Given these facts, if food is not eaten immediately for energy, then food can be stored in what among the following options: - cellulose - loose soil - barrel - excretory - Collagen - body water - pottery - Winter
(A).
pottery