input: OPTIONS:
- salinity
- Dilution
- energy
- nature
- Energy.
- heat
- ligt
- reduce Now, answer this question: Fact 1: Adding salt to a liquid decreases the melting point of that liquid. Fact 2: The melting point depends on the nature of the liquid. Given the two facts above, adding salt to a liquid changes what aspect of the liquid?
A:
output: nature

Fact 1: Most carcinogens cause cancer by producing mutations in DNA. Fact 2: Lung cancer is the deadliest of all cancers. Given the two facts above, what cause production of mutations in DNA of areas such as lungs?

OPTIONS:
- Damages them
- the environment
- carcinogens
- cigarettes
- rays or beams
- smoking tobacco
- smoking
- Pollution

Answer: carcinogens

Problem: OPTIONS:
- kinetic energy
- Deoxyribonucleicacid
- rays or beams
- harmful substances
- vehicles
- sunlight
- deoxyribonucleic acid
- Greenhouse gases
Q: Fact 1: Microbial fuel cells convert chemical energy into electrical energy. Fact 2: Electricity is a kinetic energy. Given the two facts above, microbial fuel cells convert chemical energy into ?
Answer: kinetic energy

Problem:OPTIONS:
- bacteria
- fungi
- Variety.
- Cycles.
- plants
- Plants.
- insects
- Life of air.

Fact 1: Algae have varied life cycles. Fact 2: Some, such as the green algae, are plants. Given the two facts above, what have varied life cycles?
****
A: Plants.

Fact 1: Coal is used for generating heat by burning. Fact 2: Dead vegetation settles and becomes peat, a precursor of coal. Given the two facts above, what becomes something that is burned to generate heat?
OPTIONS:
- glass
- dead vegetation
- Fuel cells
- preserved vegetation
- Electrical energy
- hydrogen and oxygen
- clouds
- electricity
dead vegetation

Fact 1: Cross-pollination increases genetic diversity. Fact 2: Evolution requires genetic diversity. Given the two facts above, cross-pollination increases something required by what?
OPTIONS:
- gene flow
- flowers
- insects
- bushes
- Evolution
- plants
- ferns
- Reproduction

Answer:
Evolution