Food consists of organic molecules that store energy in their chemical bonds, and for example, beef is a functional food. Given these facts, where do organic molecules in beef store energy among the following options: - it needs them - chemical bonds - fur and fat - aqueous solution - sunlight - It gets heated up - glucose - layers of fat
chemical bonds

Soil is formed by weathering, and rocks breakdown by weathering. Given these facts, what helps soil to form among the following options: - The planting of flowers - The breakdown of rocks - organic molecules - The changing of seasons - Organic compounds - swamp vegetation - evaporation - The movement of clouds
The breakdown of rocks

Q: Scraping oneself on a contaminated object may cause infection, and an infection is an invasion of the body by bacteria. Given these facts, scraping oneself on an object that is what, may cause an invasion of the body by bacteria among the following options: - unknown - safe - threatened - harmful substances - Pollution - foreign - barrel-shaped - contaminated
A: contaminated

Question: Feathers help birds fly and provide insulation, and penguins keep warm with layers of insulation. Given these facts, feathers help birds fly and among the following options: - Absorb light - get nutrients - keep warm - heat produced - find food - staying warm - maintain water - protect them
Answer: keep warm

*Question*
Plasma is formed by electrons separating from atoms in stars, and metal atoms are ionized in an intense plasma. Given these facts, what does plasma ionize among the following options: - Joules - metal - coal - SO2 - homes - matter - Energy. - energy
**Answer**
metal

(Question)
Fish have a circulatory system with a two-chambered heart, and fish include bass and salmon. Given these facts, what has a circulatory system with a two-chambered heart among the following options: - sharks - insects - salmon - animals - barnacles - mammals - tortoises - alpacas
(Answer)
salmon