rat rides a boat for a fishing trip at 6 blometer south. after half hour at waitting. no fishes were cought. so he goes 2 kilometer west. then he fallows a school of fish kilometer noth​

Which of the following is a true statement? a. the male sex hormone is called estrogen. b. the female sex hormone is called testosterone. c. both sexes manufacture some amount of the sex hormone associated with the opposite sex. d. only males secrete testosterone and only females secrete estrogen

Which of these should be re portable health diseases to protect public health? a- obesity b- measles c- diabetes d-lung cancer

During polarizacion potassium has a blank charge sodium has a blank charge and calcium has a blank charge