Does anyone know these fill in the blanks??

Scientists believe that differences in cause hot, plastic-like rock in the asthenosphere to rise toward earth's surface. a. density c. weight b. magnetism d. composition select the best answer from the choices provided

Which is a physical sign of stress? a: unexplained euphoria b: feelings of invincibility c: inability to sleep d: visual hallucinations

Which  type  of diabetics require injectable insulin?   type iii  type iv  type i  type ii