Solids and liquids have both mass and volume, but a gas has only mass.

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

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

Type the correct answer in the box. spell all words correctly. what is the correct term for living the most sustainable life you can within your current circumstances? when your are being as sustainable as you can within your current lifestyle, you are said to be sustainability.