Fact 1: Pollutants have a negative impact on the environment. Fact 2: Carbon dioxide is a pollutant. Given the two facts above, what affects the environment negatively?

OPTIONS:
- sunlight
- normal weather patterns
- carbon dioxide
- cigarettes
- positivity
- Smoking
- harmful substances
- fossil fuels

Answer: carbon dioxide

Problem: OPTIONS:
- Man
- genus
- pollen
- Birds
- legumes
- power
- embryos
- animals
Q: Fact 1: Macroevolution occurs over geologic time above the level of the species. Fact 2: Species is a property of genus, genus is a property of family, etc. Given the two facts above, what is considered to be part of macroevolution?
Answer: genus

Problem:OPTIONS:
- fur and fat
- xrays
- squids
- microscopes
- deuterostomes
- hearing
- screen
- mutations

Fact 1: Microscope is used to see small things by biologists by making them appear bigger. Fact 2: Biologists study living creatures. Given the two facts above, what makes living creatures appear bigger?
****
A: microscopes

Fact 1: The digestive system breaks food into nutrients for the body. Fact 2: NUTRIENTS To function, the human body must have nutrients. Given the two facts above, the body needs the digestive system to do what?
OPTIONS:
- Burn calories while exercising
- survival
- Fall asleep easily at night
- Digesting food
- get started
- Absorb food without processing it
- Converted sugar
- Break down food
Break down food

Fact 1: Melting means changing from a solid into a liquid by adding heat energy. Fact 2: Melting is a phase change. Given the two facts above, what changes a solid into a liquid using heat energy?
OPTIONS:
- electricity
- It gets heated up
- boiling
- aqueous solution
- a phase change
- a hydraulic system
- heating liquids
- Water expanding

Answer: a phase change

input with options: Fact 1: Pathogens can cause disease. Fact 2: The disease affects the immune system. Given the two facts above, what can affect the immune system?
OPTIONS:
- pathogens
- Pesticides
- dirt
- chickenpox
- Allergies
- viruses
- odors
- pollution
output:
pathogens