A magnetic field is created A. when a compass is placed next to a wire
B. when wire is twisted into a loop
C. when an electric current flows through a wire
D. when wire is wrapped around an iron core

V1t2 = v2t1 is an expression of who’s law

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?

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by