The immune system has evolved in multicellular organisms to defend against bacteria, viruses, and other foreign substances. As the first line of defense, immunity consists of physical, chemical, molecular, and cellular defenses and does not require prior exposure to an antigen. immunity is the second major immune defense and requires prior exposure to the antigen, which is then remembered and becomes antigen-specific.

Melissa lives in a town called greendale. she discovers that when she lights a match and holds it near her kitchen faucet, the little flame grows into a larger fire. melissa is surprised because she thought the water would extinguish the flame rather than ignite it further. her mother tells her that the water might be contaminated with dissolved methane, a primary component in natural gas. melissa investigates the matter and finds that cases of methane contamination started shortly after a company began fracking for natural gas in the area. based on this information, which three statements are plausible consequences of fracking in greendale?

Where substance is produced during cellular respiration

Identify the area on the image where the force of attraction is the strongest.