Q: Fact 1: Microbial fuel cells convert chemical energy into electrical energy. Fact 2: Electrical energy refers to energy associated with the flow of electrons. Given the two facts above, what do microbial fuel cells convert chemical energy into?

OPTIONS:
- rays or beams
- transportation technology
- Deoxyribonucleicacid
- flow of electrons
- hydrogen and oxygen
- deoxyribonucleic acid
- an engine
- heating liquids

A: flow of electrons

input: OPTIONS:
- coal
- CFCs
- Solar power
- Oil
- Oxygen
- hot
- Hydrogen
- fuse Now, answer this question: Fact 1: Energy is used for heating a building by a heating system. Fact 2: Radiators are used to heat the building, The energy source is oil. Given the two facts above, what do radiators use to heat buildings?
A:
output: Oil

Fact 1: Translation reads the genetic code in mRNA and makes a protein. Fact 2: Proteins and nitrate are nitrogenous compounds. Given the two facts above, what reads genetic code in mRNA and makes a nitrogenous compound?

OPTIONS:
- A computer
- Plants growth
- peachleaf willow
- sensory neurons
- translation
- Most plants
- animals
- acetic acid

Answer: translation

Problem: OPTIONS:
- Lowering gas mileage in cars
- reducing public transportation
- evaporative cooling
- reusing materials
- Electrical energy
- biological diversity
- Burning biofuels
- Adoption of geothermal energy
Q: Fact 1: Gases released during the use of fossil fuels causes global warming. Fact 2: Advantages Geothermal energy can be used instead of fossil fuels to produce electricity. Given the two facts above, which of the following can help reduce global warming?
Answer: Adoption of geothermal energy

Problem:OPTIONS:
- fungi
- ferns
- mollusks
- animals
- barnacles
- reptiles
- insects
- birds

Fact 1: Wings are part of the exoskeleton and attached to the thorax. Fact 2: An insect has 6 legs and a head, thorax and abdomen. Given the two facts above, what type of organism has an exoskeleton?
****
A: insects

Problem:OPTIONS:
- oxygen
- ice
- an ion
- NaCl
- potash
- Acids
- sugar
- h2o

Fact 1: Adding salt to a solid decreases the freezing point of that solid. Fact 2: For example, salt is NaCl. Given the two facts above, what can be added to a solid to decrease its freezing point?
****
A:
NaCl