According to theory, which term best describes the universe before the big bang? a planet
a cloud of gas and dust
a star
a small densely packed ball of matter
Plz help

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

What is the lowest number energy level where a d sublevel is found

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.