Answer: state the problem or observations
Explanation:
Answer:
Explanation:
Pathogenicity: is a quality attributed to the microorganisms that can cause a disease. It can be defined as the capacity or the degree in which microorganisms can cause a certain sickness. Virulence is the degree of pathogenicity of the microorganisms.
No, it's because the gases are being heated. Gases expand when heated, and that's what you'd be seeing.