Fact 1: An earthquake causes the ground to shake. Fact 2: Earthquakes are movements in the Earth's crust. Given the two facts above, what causes the ground to shake?
OPTIONS:
- high temperature
- movements in the earth's crust
- human migration
- exposure to cold
- cloud formation
- energy of moving objects
- soil
- degrees Celsius

Answer: movements in the earth's crust

Question: Fact 1: Most carcinogens cause cancer by producing mutations in DNA. Fact 2: If it causes changes in DNA, it is considered a mutagen, or potential carcinogen. Given the two facts above, what cause mutations in DNA?
OPTIONS:
- Pesticides
- smoking
- chromosomes
- protein
- cigarettes
- mutagens
- amino acids
- animals
Answer: mutagens

input with options: Fact 1: Microscope is used to see small things by biologists by making them appear bigger. Fact 2: Many people think that Leeuwenhoek invented the microscope. Given the two facts above, the device used by biologists to make small things appear bigger was invented by whom?
OPTIONS:
- electricity
- amphibians
- animals
- Jellyfish
- Leeuwenhoek
- Pasteur
- Darwin
- Mendel
output: Leeuwenhoek

Q: 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, what does fault movement form?

OPTIONS:
- sunlight
- energy barrier
- coastlines
- erosion
- ocean
- earthquakes
- tornado
- mechanical

A: earthquakes

input: OPTIONS:
- Greenhouse gases
- friction
- flooding
- wind storms
- colder weather
- air storms
- ice storms
- thunderstorms Now, answer this question: Fact 1: Cold fronts cause thunderstorms as they pass by. Fact 2: If cold air is advancing on warm air, the front is called a cold front. Given the two facts above, cold air advancing on warm air cause what?
A:
output: thunderstorms

Question: Fact 1: Agreenhouse is used to protect plants from the cold. Fact 2: Angiosperms are the flowering plants. Given the two facts above, what does a greenhouse protect flowers from?
OPTIONS:
- Injury
- sunlight
- Winter
- heat
- fire
- wind
- cold
- oxygen
Answer:
cold