How does the skeletal system the digestive system

When the oxygen produced by photosynthetic plants in the water dissolves in the water, which of these is being formed?

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.

The smallest parts of these that retain their original properties are called