Fact 1: Muscle contraction occurs when muscle fibers get shorter. Fact 2: Fibers are oriented diagonally across fiber. Given the two facts above, answer the question "muscle contraction occurs when a diagonally oriented part of muscle gets what?" with the following options: - shorter - longer - vertical - decreases - resistance - muscles - movement - forces
shorter

Fact 1: Awindmill converts wind energy into electricity primarily by using mechanical energy. Fact 2: Mechanical energy is the energy of moving objects. Given the two facts above, answer the question "How does a windmill make wind energy?" with the following options: - simple - adding heat - programmed - Movement - Water - Standing still - forces - Electricity
Movement

Q: Fact 1: All cells share some of the same structures and basic functions. Fact 2: Inside the cell is a structure called the nucleus. Given the two facts above, answer the question "All nucleus share the same basic what" with the following options: - size - rays or beams - species - Joules - location - allow growth - functions - spectrum
A: functions

Question: Fact 1: Faulting of rock in Earth 's crust causes earthquakes. Fact 2: Earthquakes are caused by movements on faults. Given the two facts above, answer the question "what does fault movement form?" with the following options: - sunlight - energy barrier - coastlines - erosion - ocean - earthquakes - tornado - mechanical
Answer: earthquakes

*Question*
Fact 1: Behaviors that improve fitness increase through natural selection. Fact 2: Natural selection is the mechanism of evolution. Given the two facts above, answer the question "what do behaviors that improve fitness increase through?" with the following options: - density - evolution - Plants growth - gravity - animals - competition - death - environment
**Answer**
evolution

(Question)
Fact 1: Living things all require energy for survival. Fact 2: Food is the source of energy for living things. Given the two facts above, answer the question "What do living things require?" with the following options: - blood - water - lipids - health - oxygen - food - cells - Sun
(Answer)
food