You were tasked to check if the liquid sample you have is substance or a mixture. which among these tests is the best way to do so?
i. color comparison
ii. taste comparison
iii. boiling point test
iv. melting point test
a. 1,2,3,4
b. 1,2,3 only
c.1,2,4 only
d.1 and 3 only

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?