Problem:OPTIONS:
- colors of the spectrum
- fossil fuels
- during the day
- our star
- electromagnetism
- In their leaves
- rays or beams
- sun's heat

Fact 1: Most ecosystems get energy from sunlight. Fact 2: Sunlight is a form of electromagnetic energy. Given the two facts above, what do ecosystems get energy from?
****
A: electromagnetism

Fact 1: Contact between rocks over long periods of time causes rocks to smooth. Fact 2: Smoothed, grooved and polished rocks are produced by glacial erosion. Given the two facts above, what is erosion?
OPTIONS:
- moonlight
- looseness of dirt or compost
- permineralization
- water vapor
- fog
- The area was once underwater
- fissures of hot, acidic water
- contact between rocks
contact between rocks

Fact 1: Blood pH may become unbalanced if the rate of breathing is too fast or too slow. Fact 2: For instance, the normal pH of human blood is maintained at 7.4. Given the two facts above, what may become unbalanced if the rate of breathing is too fast or too slow?
OPTIONS:
- normal eating
- normal human blood
- cigarettes
- normal skin
- Veins and arteries.
- Chemical energy
- kinetic energy
- normal studying

Answer: normal human blood

Question: Fact 1: Wind is used for producing electricity. Fact 2: We also need gas and electricity for heating and lighting. Given the two facts above, what uses power?
OPTIONS:
- Paper
- animals
- rivers
- engines
- Plants
- humans
- Lighting
- Walls
Answer: Lighting

input with options: Fact 1: Mammals can also generate little bursts of heat by shivering. Fact 2: Shivering causes muscle contractions to warm the body. Given the two facts above, mammals can also generate little bursts of heat by?
OPTIONS:
- muscle contractions
- circulation
- exhalation
- Temperature changing
- Movement of an air mass
- flow of electrons
- vibrations
- with their fur
output: muscle contractions

Problem: OPTIONS:
- Final
- years
- embryos
- rings
- CO 2
- SO2
- fusion
- ovaries
Q: Fact 1: Cytokinesis is the final stage of cell division in eukaryotes as well as prokaryotes. Fact 2: Cytokinesis Two daughter cells are formed. Given the two facts above, two daughter cells are formed at what stage in cell division?
Answer:
Final