Seismic waves of an earthquake are useful in determining which of the following. a.distance to a plate boundary b. distance to the ocean c. interior of the earth d. time of the earthquake

Apart of the periodic table is shown. a portion of the sixteenth and seventeenth columns of the periodic table is shown. column 16 reads eight oxygen, 16 sulfur, and 34 selenium. column 17 reads nine flourine, 17 chlorine, and 35 bromine. which of the following elements is less reactive than the others? bromine (br) oxygen (o) selenium (se) sulfur (s)

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping

Lumps of iron and manganese ore called can be harvested from the seafloor near underwater volcanoes.