A teacher sprinkles some iron shaving on a clear tray. She places two magnets in the shaving with the north ends facing each other. Based on the cause and effect relationship between the magnets, which phenomenon is the teacher modeling for her students?

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand

Mike has a problem with his testosterone. he is unable to produce enough. which will most likely be affected by his inability to produce testosterone? check all that apply.

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the