Mammals and birds eat more often than reptiles. Whichg traits shared by mammals and birds best explains this habit?

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

Brian made this table to organize his notes on changes of state change of state energy change melting gain freezing lose deposition gain condensation lose

Which characteristics must an object possess in order to be considered alive?