If ethanol is used to produce electricity by burning, then what is used to produce electricity by burning? Answer choices: - air - heat - energy - cells - calcite - hydrogen - fire - ethanol
ethanol

If infection can cause joint pain, then what can infection cause? Answer choices: - Joint pain - Limber joints - Loose joints - influenza - chickenpox - disease - Money creation - anemia
Joint pain

Q: If coccolithophorids have varied life cycles, then what do Coccolithophorids have? Answer choices: - a cuticle - epidermis and dermis - kinetic energy - food and shelter - critical organs - varied life cycles - sensory neurons - Epidermis
A: varied life cycles

Question: If the moon forms tides, then what forms tides? Answer choices: - magma - plates - two - algae - sun - earth - moon - spring
Answer: moon

*Question*
If astove can be heated by a metabolic reaction, then what process can help heat up a stove? Answer choices: - Movement of an air mass - Electrical - Fuel cells - Electrical energy - kinetic energy - direct energy - Chemical energy - metabolic reaction
**Answer**
metabolic reaction

*Question*
If most oysters have shells, then what usually has a shell? Answer choices: - an object - humans - animals - density - tortoises - barnacles - h2o - oysters
**Answer**
oysters