1if the environment never changes, evolution may not occur.
(a) true
(b) false

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.

Earth is tilted on its axis. which of these would not exist if earth had no tilt?

The greatest increses in energy use occuree between which two stafes of society