If disease-causing bacteria have a negative impact on the body, then what bacteria have a negative impact on the body? Answer choices: - helpful - parasites - disease-causing - Roundworms. - beneficial - smallpox - disease-curing - a pathogens
disease-causing

If pathogens have a negative impact on the body, then what can have a negative impact on the body? Answer choices: - Pesticides - Growing a beard - Pathogens - Probiotics - Restful sleep - viruses - smallpox - bacteria
Pathogens

If water expanding can cause pipes to burst, then why do pipes sometimes burst during the winter? Answer choices: - Water evaporating - flooding - Water expanding - energy usage - Water melting - Water contracting - colder weather - massive damage
Water expanding