Which relationship occurs when organisms need the same resource that is in limited supply

The energy available as a result of the motion of a body is called energy. -potential -gravitational -kinetic -chemical

Most crimes involve some evidence relating to the human body; for that reason, what related science is frequently used in forensic investigations? a)psychiatry b)physics c)botany d)biology

The earth's oceans are made up of chlorine, and trace elements. a) carbon, oxygen b) oxygen, silicon c) hydrogen, oxygen d) nitrogen, oxygen