Which of the following is a physical change of matter? a)roasting marshmallows b)mixing kool-aid and water c)mixing alka seltzer and water d)baking a cake

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?

In which phase of mitosis do the spindle fibers pull the chromosomes apart to opposite sides of the cell ?

In a chemical reaction, the final amount of the products is determined by the a. universal gas law b. law of definite proportions c. air pressure d. temperature e. none of the above me