Amaterial absorbs or reflects all of the light that reaches it. what type of material is it? a. pigmented b. translucent c. transparent d. opaque

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

Light waves can move through , but they travel fastest when they move through a(n) .

Which scenario is most similar to the type of collision that gas particles have according to kinetic molecular theory