Q: Fact 1: Sonar is used to find the location of an object. Fact 2: Periscopes are still useful, despite the sonar and electronic sensors of modern submarines. Given the two facts above, periscopes are used to find out what about objects? | OPTIONS:
- microscopic
- density
- location
- weight
- Light
- energy
- observe it
- age
A: location

Q: Fact 1: Viruses are not cells. Fact 2: Viruses include the Tobacco Mosaic Virus. Given the two facts above, what is not made up of cells? | OPTIONS:
- an object
- Veins and arteries.
- Tobacco mosaic
- an organism's body
- Conifers
- sensory neurons
- layers of fat
- the digestive system
A: Tobacco mosaic

Q: Fact 1: Plant reproduction often requires pollen. Fact 2: Bees are usually required for effective pollen transfer. Given the two facts above, what does plant reproduction often require? | OPTIONS:
- DNA
- global warming
- energy
- droughts
- seeds
- bees
- food
- legumes
A: bees

Q: Fact 1: Adult echinoderms have radial symmetry. Fact 2: All animals with radial symmetry live in water. Given the two facts above, where do all adult echinoderms live? | OPTIONS:
- soil
- desert
- freshwater
- fossils
- water
- Earth
- small
- aquariums
A: water