(Question)
If electricity is used for communication by humans over long distances, then what is used for communication by humans over long distances? Answer choices: - A Greek letter - electricity - airplanes - kinetic energy - trains - sign language - photons - messengers
(Answer)
electricity

(Question)
If tulips have a characteristic life cycle that includes alternation of generations, then what has a characteristic life cycle that includes alternation of generations? Answer choices: - burrs - tulips - Oak - Trees - apples - amoeba - flowers - Conifers
(Answer)
tulips

(Question)
If hammers can cause debris, then what can be used to make debris? Answer choices: - erosion - rivers - a hammer - heat - wind - water pump - c-clamp - screwdriver
(Answer)
a hammer