Question: If lack of immunization can be damaging or disastrous, then lack of what can be damaging or disastrous? Answer choices: - force - violence - immunization - food and shelter - sensory neurons - kinetic energy - heat energy - beatings
Answer: immunization

Question: If salt content increases melting points of solids, then what content increases melting points of solids? Answer choices: - salt - Joules - water - fats - heat - glass - sugar - coal
Answer: salt

Question: If cO2 concentrations in the air have increased over the last decade dramatically, then what concentration in the air has increased dramatically over the last decade? Answer choices: - zinc - CO2 - h2o - CFCs - lungs - coal - O2 - CO 2
Answer:
CO2