Burning releases heat when a chemical combines with A)oxygenB)waterC)fuel​

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.

Choose the diagram that best represents a habitat corridor explain your choice.

Your sense of touch depends upon: a. direct contact b. heat chemical c. reactions d. pain