From 30 degrees to 55 degrees, what state of matter is the substance? * Plasma
% Liquid
# Solid
! Gas
( This subject is Principals of Technology )

Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.

Nonmetal halogen family atmoic mass 35

What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5