Fact 1: Faulting of rock in Earth 's crust causes earthquakes.  Fact 2: Thrust faults are a result of compressional forces in the Earth's crust.  Given the two facts above, answer the question "What causes earth quakes?" with the following options:  - electromagnetic energy  - movement  - harmful substances  - the force  - shaking  - compressional forces  - Water expanding  - energy of moving objects
compressional forces

Fact 1: Afire requires oxygen to burn.  Fact 2: Oxygen has  eight protons and eight electrons.  Given the two facts above, answer the question "What does a fire require to burn?" with the following options:  - A transportation fuel  - Something with exactly 2 protons  - chemical to mechanical energy  - Something with exactly eight protons  - Something with exactly 1 proton  - Burning fuel and air  - igniting fuel and oxidiser  - Something with 7 protons
Something with exactly eight protons

Fact 1: An organism requires energy for growth.  Fact 2: Growth is part of the personality of a healthy organization.  Given the two facts above, answer the question "An organism requires what for a healthy personality?" with the following options:  - sleep  - hormones  - energy  - nutrients  - hydration  - Energy.  - health  - Proteins
