Which muscles are strengthened the most by swimming? a.) the muscles of the abdomen b.) the muscles of the legs c.) calf muscles d.) shoulder muscles

When should a bar graph be used? a. when there is no independent variable. b. when the independent variable is continuous and does not show a relationship to the dependent variable. c. when the independent variable is continuous and shows a causal link to the dependent variable. d. when the independent variable is composed of categories and does not show a relationship.

What did the first language sound like

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?