Magnetism can cause objects to repel each other, and like magnet poles push away or repel each other. Given these facts, what can cause objects to push away each other among the following options: - work - mines - potential energy - heat energy - magnetism - electrically - friction - gravity
magnetism

An aquatic animal requires great amounts of water to survive, and aquatic animals are adapted to living within certain salinity ranges. Given these facts, animals adapted to living within certain salinity ranges require great amounts of what to survive among the following options: - liquid - water - oxygen - air - sodium - grass - energy - atmosphere
water

Q: Many corals secrete an exoskeleton that builds up to become a coral reef, and an exoskeleton is an external framework. Given these facts, what do many corals secrete that build up to become a coral reef among the following options: - an external framework - The area was once underwater - that material's properties - bioaerosols - water - dust - after too much water received - oxygen
A: an external framework

Question: Animals use saturated fatty acids to store energy, and during hibernation, they use their stored energy very slowly. Given these facts, an animal hibernating is slowly consuming among the following options: - organic matter - Slowing the transfer of heat - saturated fatty acids - tree roots - the amount of oxygen - sulfuric acid - animal crackers - amount of matter
Answer: saturated fatty acids

*Question*
Minerals are chemical elements that are essential for body processes, and potassium is a mineral, like calcium . Given these facts, what is essential for body processes among the following options: - grass - wine - Energy - wicker - oxygen - sleep - potassium - Energy.
**Answer**
potassium

*Question*
Carbon may be stored in sedimentary rock for millions of years, and carbon is the fuel source. Given these facts, what may be stored in sedimentary rock for millions of years. among the following options: - Sand castles - Chemical energy - heat energy - Millions of dollars. - A fuel source. - Energy. - In sediment - Stored animal fur.
**Answer**
A fuel source.