The compound K2O2 also exists. A chemist can determine the mass of K in a sample of known mass that consists of either pure K2O or pure K2O2 . From this information, can the chemist answer the question of which compound is in the sample? Indicate yes or no, and explain.

The excretory system,need answers for all: )

How does the viscosity of magma change as magma cools?

Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory