What is the Definition of Smog?

Explain why biological control methods are generally environmentally superior to chemical pest control methods.

Aresearcher created three groups based on participants bmi: normal weight, overweight and obese. the hypothesis being tested is that the three groups differ in the mean number of artificially sweetened drinks consumed weekly. which statistical test might the researcher use, assuming a reasonably normal distribution of values.

Fungi exist as single cells or as branching networks of multicellular filaments. how does the structure of filaments relate to their function