Which change to the experimental design would improve the reliability of the engineers' measurements? ОА.
using a liquid other than water to determine porosity
ОВ.
using flasks instead of beakers
OC
testing single samples from more than three locations
OD
testing more samples from each location

Idon't really understand this can you me and show your work.☺☺[ chemistry b] subject [ electron transfer in lonic bonds]grade( 12)

What three things determine the shape and size of a puddle when water is poured out onto a surface

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?