Fact 1: Healing requires rest. Fact 2: Rest is essential to tissue healing. Given the two facts above, answer the question "What do tissues need to repair themselves?" with the following options: - cells - body - rest - food - bones - energy - blood - heat
rest

Fact 1: Some light bulbs convert electricity into light and heat energy. Fact 2: Light source is an ultra-bright, unbreakable LED Bulb. Given the two facts above, answer the question "What convert electricity into light and heat energy?" with the following options: - cats - copper - LEDs - trains - Cars - cells - energy - buses
LEDs

Q: Fact 1: Soil is formed by weathering. Fact 2: Soil or dirt is a very heavy material. Given the two facts above, answer the question "What is formed by weathering?" with the following options: - rock - gasoline - gills - light - crust - dirt - ground - wind
A: dirt

Question: Fact 1: Thick fur can be used for keeping warm. Fact 2: All bears are covered with heavy fur. Given the two facts above, answer the question "What keeps warm?" with the following options: - bushes - muscles - Limbs - fibers - keratin - skin - bears - hair
Answer: bears

*Question*
Fact 1: Reptiles are a class of tetrapod vertebrates that produce amniotic eggs. Fact 2: All reptiles produce eggs with a waterproof shell full of amniotic fluid. Given the two facts above, answer the question "Reptiles are a class of tetrapod vertebrates that produce eggs with what?" with the following options: - empty shell - Chemical energy - waterproof shell - water-filled shell - aerobic capacity - heat energy - kinetic energy - shell lining
**Answer**
waterproof shell

Fact 1: Friction causes an object to lose energy. Fact 2: Friction is a force that dissipates energy. Given the two facts above, answer the question "what dissipates energy?" with the following options: - aqueous solution - chlorofluorocarbons - carbon dioxide - opposing force - Evaporation - hydrogen and oxygen - sweating - fossil fuels
opposing force