1. A student observes a mineral that is a dark brown color, breaks into thin sheets and can be used as an electrical insulator. What is the mineral?

Where was oil production at its highest in the 1980s and still remains important to the russian economy? central asia the ural mountains russian siberia the caucasus region

Sam hated the long nights of winter! his mother called him in from playing so early: around 4: 30 pm! it is usually dark out when sam is eating supper. what letter represents the long nights where sam lives? a) a. b) b. c) c. d) d.

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