The diagram shows structures that represent different levels of organization in a human. Which is the second smallest level of organization? W X Y Z

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

If two objects at different te,peraure are in contact with each other what happens to their temperature

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?