Which elements will bond ionically with barium such that the formula would be written as bax2? a) nitrogen, chlorine, and sodium eliminate b) chlorine, iodine, and fluorine c) hydrogen, bromine and aluminum d) oxygen and sulfur

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

Where do magnetic lines of force enter earth?

Consider each of the electric- and magnetic-field orientations given next. in each case, what is the direction of propagation of the wave? a)\vec ein the +xdirection,\vec bin the +ydirection. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction b)\vec ein the -y direction,\vec bin the +x choose+ x direction- x direction+ y direction- y direction+ z direction- z direction c)\vec ein the +z direction,\vec bin the -x direction. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction d)\vec ein the +y direction,\vec bin the -z direction. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction