Question: If microscopic organisms can have a negative impact on the respiratory system, then what can cause respiratory issues? Answer choices: - smoking tobacco - a pathogens - Microscopic organisms - Normal humidity - some viruses - Clean air - smoking pipes - Mild weather
Answer: Microscopic organisms

Question: If thorough cooking can be used to extend the shelf life of food, then what can thorough cooking do to food? Answer choices: - make it inedible - extend the shelf life - Damages them - make it colder - make it saltier - converting electricity to heat - it keeps an organism warm - get chemical reactions started
Answer: extend the shelf life

Question: If separating a solute from a solvent in a solution can create table salt, then what can separate from a solvent in a solution, creating table salt? Answer choices: - energy - gasoline - a solute - vaporization - a solvent - water - heat energy - water vapor
Answer:
a solute