Anyone can help me with the last one filling out the chart.

Match the types of competition to their descriptions.

How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?