(Question)
Living things all require energy for survival, and all foods provide energy. Given these facts, what do living things require for survival among the following options: - faith - love - bamboo - food - heat - oxygen - warmth - friendship
(Answer)
food

(Question)
If an object reflects light toward the eye then that object can be seen, and mirrors reflect light. Given these facts, what do mirrors do among the following options: - converting electricity to heat - prevent heat loss - duplicate itself - reflect air molecules - infrared light - It gets more light - invisible objects - reflect objectstowards the eye
(Answer)
reflect objectstowards the eye

(Question)
Contact between rocks over long periods of time causes rocks to smooth, and type of Rocks Salt, quartz and basalt are decent types of aquarium rocks. Given these facts, what needs contact to smooth over long periods of time among the following options: - oxygen - soil - an object - h2o - rivers - quartz - cartilage - bamboo
(Answer)
quartz