input: OPTIONS:
- solid, liquid, gas
- density
- Something that causes allergies
- deoxyribonucleic acid
- It helps them survive
- inheritance
- blood cells
- allow growth Now, answer this question: Fact 1: Chromosomes are coiled structures made of DNA and proteins. Fact 2: DNA is deoxyribonucleic acid. Given the two facts above, chromosomes are coiled structures made of proteins and what?
A:
output: deoxyribonucleic acid

Fact 1: Transportation technology is used for moving people. Fact 2: Transportation technology is built around the vehicle. Given the two facts above, what are used for moving people?

OPTIONS:
- vehicles
- bicycle
- Limbs
- rivers
- volume
- lions
- electricity
- density

Answer: vehicles

Problem: OPTIONS:
- Calcium carbonate
- carbon dioxide
- fossil fuels
- clouds
- peachleaf willow
- space
- calcite
- sunlight
Q: Fact 1: Coal is used for generating heat by burning. Fact 2: Like coal, petroleum is a fossil fuel. Given the two facts above, what is used for generating heat by burning?
Answer: fossil fuels

Problem:OPTIONS:
- to use resources
- organisms produce offspring.
- sub-units of species
- things don't die
- the Earth being tilted
- production of energy
- to keep going
- by keeping them warm

Fact 1: Reproduction is the process by which organisms give rise to offspring. Fact 2: Life continues because of reproduction. Given the two facts above, why does life continue?
****
A: organisms produce offspring.

Fact 1: Female monotremes lack a uterus and vagina. Fact 2: Monotremes are mammals that lay eggs. Given the two facts above, what do some female mammals lack?
OPTIONS:
- epidermal
- vision
- uterus
- alleles
- fur
- a cuticle
- eardrum
- alveoli
uterus

Fact 1: Algae have varied life cycles. Fact 2: Desmids are green algae, members of the Chlorophyta. Given the two facts above, what kind of life cycle do desmids have?
OPTIONS:
- allow growth
- Leptospirosis
- varied life cycle
- solid, liquid, gas
- Veins and arteries.
- immortal
- fixed life cycle
- static life cycle

Answer:
varied life cycle