input: OPTIONS:
- in the frog family
- four limbs
- non-functioning ears
- noses
- eyes
- chemical messengers
- Electrical energy
- functioning ears Now, answer this question: Fact 1: Hearing is used for sensing sound by animals. Fact 2: Hearing requires functioning ears. Given the two facts above, what are used for sensing sound in animals?
A:
output: functioning ears

Fact 1: Pathogens can cause disease. Fact 2: Anthrax is an example of a bacterial pathogen. Given the two facts above, of the following, which is most likely to cause disease?

OPTIONS:
- one celled organisms
- influenza
- Allergies
- smallpox
- antibiotic
- bones
- Anthrax bacteria
- lungs

Answer: Anthrax bacteria

Problem: OPTIONS:
- moves
- decreases
- gains
- survive
- increases
- migrate
- It expands
- varies
Q: Fact 1: Biodiversity generally increases from the poles to the equator. Fact 2: Biodiversity, on the whole, increases towards the equator and decreases towards the poles. Given the two facts above, what does biodiversity do towards the poles?
Answer: decreases

Problem:OPTIONS:
- small
- dead
- new
- SO2
- deadly
- gas
- matter
- falling

Fact 1: Ablack hole is formed by a high-mass star collapses. Fact 2: Collapsed stars are dead stars. Given the two facts above, black holes are formed from _ stars.?
****
A: dead

Fact 1: Corals form large colonies in shallow tropical water. Fact 2: Huge colonies of hard corals form coral reefs . Given the two facts above, what forms in shallow tropical water?
OPTIONS:
- ocean
- romance
- bushes
- ferns
- reefs
- bamboo
- fossils
- snorkelling
reefs

Fact 1: Plastics are made from petroleum and produce toxic waste. Fact 2: Plastic is a big contributor to landfill waste. Given the two facts above, products made from what are a big contributor to landfill waste?
OPTIONS:
- burning coal
- acetic acid
- tin
- hydrocarbons
- brass
- Pesticides
- petroleum
- recyclables

Answer:
petroleum