If some viruses can cause mutations, then what can some viruses cause? Answer choices: - explosions - anemia - extinction - Dehydration - birth - bacteria - mutations - Allergies
mutations

If earthquakes can cause animals to leave an environment, then what can cause animals to leave an environment? Answer choices: - it has normal food supplies - it has earthquakes - energy of moving objects - harmful substances - its a safe habitat - colder weather - the situation is unchanged - deforestation
it has earthquakes

If some light bulbs waste much less energy generating unecessary heat, then some light bulbs waste less of their energy producing what? Answer choices: - O3 - loss - SO2 - heat - warmth - light - Green - motion
heat