Healing requires rest, and rest is essential to tissue healing. Given these facts, what do tissues need to repair themselves among the following options: - cells - body - rest - food - bones - energy - blood - heat
rest

Some light bulbs convert electricity into light and heat energy, and light source is an ultra-bright, unbreakable LED Bulb. Given these facts, what convert electricity into light and heat energy among the following options: - cats - copper - LEDs - trains - Cars - cells - energy - buses
LEDs

Q: Soil is formed by weathering, and soil or dirt is a very heavy material. Given these facts, what is formed by weathering among the following options: - rock - gasoline - gills - light - crust - dirt - ground - wind
A: dirt

Question: Thick fur can be used for keeping warm, and all bears are covered with heavy fur. Given these facts, what keeps warm among the following options: - bushes - muscles - Limbs - fibers - keratin - skin - bears - hair
Answer: bears

*Question*
Reptiles are a class of tetrapod vertebrates that produce amniotic eggs, and all reptiles produce eggs with a waterproof shell full of amniotic fluid. Given these facts, reptiles are a class of tetrapod vertebrates that produce eggs with what among the following options: - empty shell - Chemical energy - waterproof shell - water-filled shell - aerobic capacity - heat energy - kinetic energy - shell lining
**Answer**
waterproof shell

Friction causes an object to lose energy, and friction is a force that dissipates energy. Given these facts, what dissipates energy among the following options: - aqueous solution - chlorofluorocarbons - carbon dioxide - opposing force - Evaporation - hydrogen and oxygen - sweating - fossil fuels
opposing force