Which of the following is used as evidence that the universe begin with the Big Bang

A. Leftover energy in the universe from the event

B. The existence of Atoms

C. The force of gravity

D. Craters on the moon

What is the empirical formula of a compound based of the following percent composition information: 43.3% sodium, 11.3% carbon, and 45.4% oxygen?

Does the solubility of a substance increase as its temperature increases

Which describes the two cells formed through mitosis?

Numerous elements are dissolved in sea water in trace quantities. True False

Which scientific design has limitations due to oversimplification? In a study of the interaction of air quality and crop yields, a computer compiles data that are collected by farmers from countries around the world.

If the density of Cu is 8.96g/cm cubed, what is the volume of 28kg of Cu?

A piece of iron can change in different ways. How is iron bending different from iron rusting?

Which organism would least likely be selectively bred A) Dandelions B) Nantes Carrots C) Belgian Blue Cattle D) Hypoallergenic Cats

You are given a clear solution of KNO3. Using 3-4 sentences explain how you would determine if the solution is unsaturated, saturated, or supersaturated

Which element combination (s) would result in electrons being shared? [] sodium (Na) and oxygen (O) [] carbon (C) and fluorine (F) [] oxygen (O) and hydrogen (H) [] aluminum (Al) and chlorine (Cl)