Define pathogens.(1 point) Pathogens are pollutants such as oil and other toxic materials that are in floodwaters.

Pathogens are the paths and routes that humans build to help escape a flood and reduce its impact.

Pathogens are the buildings, power supply, and other services in a community.

Pathogens are disease-causing organisms that negatively impact humans during a flood

Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.

Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green

A5.00 g of a in . g of at aa 5.00 g of b in . g of .?at .