You are presented with the question "what is used to produce electricity by burning?" and the following answer choices: - air - heat - energy - cells - calcite - hydrogen - fire - ethanol Now knowing that biofuel is used to produce electricity by burning and ethanol is the most widely used biofuel today, choose the best answer.
ethanol
You are presented with the question "What can infection cause?" and the following answer choices: - Joint pain - Limber joints - Loose joints - influenza - chickenpox - disease - Money creation - anemia Now knowing that infection can cause bodily tissues to swell and joints swell painfully, choose the best answer.
Joint pain
Q: You are presented with the question "What do Coccolithophorids have?" and the following answer choices: - a cuticle - epidermis and dermis - kinetic energy - food and shelter - critical organs - varied life cycles - sensory neurons - Epidermis Now knowing that algae have varied life cycles and coccolithophorids are members of the Algae, choose the best answer.
A: varied life cycles
Question: You are presented with the question "what forms tides?" and the following answer choices: - magma - plates - two - algae - sun - earth - moon - spring Now knowing that the gravitational pull of the Moon on Earth 's oceans causes the tides and gravity causes tides, choose the best answer.
Answer: moon
*Question*
You are presented with the question "What process can help heat up a stove?" and the following answer choices: - Movement of an air mass - Electrical - Fuel cells - Electrical energy - kinetic energy - direct energy - Chemical energy - metabolic reaction Now knowing that astove is used for cooking by generating heat and metabolic reations generate heat, choose the best answer.
**Answer**
metabolic reaction
*Question*
You are presented with the question "what usually has a shell?" and the following answer choices: - an object - humans - animals - density - tortoises - barnacles - h2o - oysters Now knowing that most mollusks have shells and clams, oysters and snails are familiar mollusks, choose the best answer.
**Answer**
oysters