Which two particles are found in the nucleus of an atom?
o neutrons and electrons
o protons and electrons
o protons and neutrons
o neutrons and atoms

What is the polyatamic ion of thiosulfate

Enzymes affect the reactions in living cells by changing the

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?