The human circulatory system has two circuits. give the name of theses circuits. which of these circuits involves the pumping of blood by the ventricular

In 1870, which path would settlers moving west from el paso to los angeles have followed? a) old spanish trail b) gila trail c) california trail d) oregon trail

Computer models can scientists predict weather. some computer models can show the predicted path of hurricanes. what other events could a computer model warn us of? a) undersea earthquakes , tornadoes, and avalanches b) tornadoes c) avalanches d) undersea earthquakes

Which statement best describes how chemical equations demonstrate conservation of mass?