the study of living and non living components of a system can best be described as a a)abiotic factor b)level hierarchy c) ecosystem ecology D) organism interaction

Look at the images of different rocks. which rocks have a fine-grained texture? check all that apply. 1 2 3 4 5

List charasteristics of athenosphere

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.