Which phrase best describes a metaphoric rock? A. Formed from a volcano
B. Was once buried underground
C. Formed from evaporating water
D. Contains minerals that have not changed

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

Which metal exist in liquid state and can be cut with knife ?

Gravitational potential energy is related to