Fact 1: Coral reefs provide food and shelter to many ocean organisms. Fact 2: Coral reefs are nurseries of the ocean. Given the two facts above, what provides food and shelter to many ocean organisms?

OPTIONS:
- Fast food.
- It helps them survive
- Fish food.
- gastropod shells
- Human organisms.
- important habitats
- sedimentary rocks
- Nurseries of the ocean.

Answer: Nurseries of the ocean.

Fact 1: Astove is used for cooking by generating heat. Fact 2: Generation is the making of electricity. Given the two facts above, how is a stove used for cooking?

OPTIONS:
- by making heat
- by breaking up heat
- a hydraulic system
- energy usage
- An object is seen
- by using radio waves
- lowered energy cost
- by producing ice

Answer: by making heat

Fact 1: Microbial fuel cells convert chemical energy into electrical energy. Fact 2: Fuel cells are devices that directly convert hydrogen into electricity. Given the two facts above, what do microbial fuel cells transform hydrogen into?

OPTIONS:
- Renewable energy
- Electrical energy
- kinetic energy
- electromagnetic energy
- an engine
- transportation technology
- Solar energy
- Oil

Answer: Electrical energy

Fact 1: Viruses contain DNA but not much else. Fact 2: Prions are different than bacteria or viruses. Given the two facts above, what are Prions void of?

OPTIONS:
- life
- O2
- RNA
- SNPs
- harm
- gene
- DNA
- p53

Answer:
DNA