Fact 1: Nephrons are the structural and functional units of the kidneys. Fact 2: Each nephron contains a system of blood vessels and tubules. Given the two facts above, what contains a system of blood vessels and tubules?
OPTIONS:
- clouds
- kidneys
- organ
- density
- lungs
- complex
- blood cells
- alveoli
kidneys

Fact 1: Tunicates reproduce sexually. Fact 2: Sexual reproduction requires both male and female gametes. Given the two facts above, what do tunicates need to reproduce?
OPTIONS:
- food
- home
- wealth
- gametes
- Energy
- money
- oxygen
- Energy.

Answer: gametes

Question: Fact 1: Sand dunes are formed by the wind transporting and depositing sand. Fact 2: Sand dunes provide a habitat for several rare plant species. Given the two facts above, a habitat for several rare plant species is formed by the wind transporting and depositing what?
OPTIONS:
- dirt
- soils
- coal
- peat
- rocks
- crust
- sand
- earth
Answer: sand

input with options: Fact 1: Extreme heat and pressure change rock into metamorphic rock. Fact 2: Gneiss Rocks Gneiss Rocks Gneiss rocks are metamorphic. Given the two facts above, what changes rock into gneiss?
OPTIONS:
- weak heat and low pressure
- The bending of a ray of light
- extreme cold and pressure
- heat is produced
- movement of tectonic plates
- tectonic plates being pushed together
- extreme heat and pressure
- extreme heat and no pressure
output: extreme heat and pressure

Q: Fact 1: Photosynthesis means producers convert from carbon dioxide, water, and solar energy into carbohydrates for themselves. Fact 2: Plants are Earth's producers. Given the two facts above, plants convert carbon dioxide, water, and solar energy into what?" ?

OPTIONS:
- Lipids
- Carbohydrates
- food and shelter
- Protein
- Whole Grains
- Greenhouse gases
- Organic compounds
- chemical messengers

A: Carbohydrates

Fact 1: Fog is formed by water vapor condensing in the air. Fact 2: An example of water vapor is steam. Given the two facts above, what is an analogue to fog?
OPTIONS:
- rainy
- Pacific
- thunder
- Halloween
- steam
- rain
- glass
- mystery
steam