*Question*
Sonar is used to find the location of an object, and echolocation is similar to sonar. Given these facts, echolocation be used to find the what of an object among the following options: - movement - location - color - energy - waves - small - observe it - sound
**Answer**
location

*Question*
Chlorophyll is used for absorbing light energy by plants, and it is essential in the absorption of light energy for photosynthesis. Given these facts, what is chlorophyll essential for among the following options: - staying warm - photosynthesis - survival - hydrogen and oxygen - germinating - Most plants - plant reproduction - plant respiration
**Answer**
photosynthesis

*Question*
Using a gasoline engine requires burning gasoline, and gasoline and flammable liquid related burns, however, are a preventable problem. Given these facts, using an what requires burning flammable liquid among the following options: - light bulb - engine - toaster - Decibels - cigars - barrel - Cooking - battery
**Answer**
engine

*Question*
Reptiles are a class of tetrapod vertebrates that produce amniotic eggs, and all lizards are reptiles. Given these facts, what produces amniotic eggs among the following options: - goats - crocodiles - dogs - sperm - animals - sharks - tortoises - lizards
**Answer**
lizards