If microbial fuel cells convert chemical energy into a flow of electrons, then what do microbial fuel cells convert chemical energy into? Answer choices: - rays or beams - transportation technology - Deoxyribonucleicacid - flow of electrons - hydrogen and oxygen - deoxyribonucleic acid - an engine - heating liquids
flow of electrons

If radiators use oil to heat buildings, then what do radiators use to heat buildings? Answer choices: - coal - CFCs - Solar power - Oil - Oxygen - hot - Hydrogen - fuse
Oil

Q: If translation reads the genetic code in mRNA and makes a nitrogenous compound, then what reads genetic code in mRNA and makes a nitrogenous compound? Answer choices: - A computer - Plants growth - peachleaf willow - sensory neurons - translation - Most plants - animals - acetic acid
A: translation

Question: If adoption of geothermal energy to produce electricity can reduce global warming, then which of the following can help reduce global warming? Answer choices: - Lowering gas mileage in cars - reducing public transportation - evaporative cooling - reusing materials - Electrical energy - biological diversity - Burning biofuels - Adoption of geothermal energy
Answer: Adoption of geothermal energy

*Question*
If an insect has an exoskeleton, then what type of organism has an exoskeleton? Answer choices: - fungi - ferns - mollusks - animals - barnacles - reptiles - insects - birds
**Answer**
insects

If adding NaCl to a solid decreases the freezing point of that solid, then what can be added to a solid to decrease its freezing point? Answer choices: - oxygen - ice - an ion - NaCl - potash - Acids - sugar - h2o
NaCl