In your own words, explain a crucial piece of evidence that johannes kepler could have used to support one of his laws of planetary motion.

Johannes Kepler could have used Evidence gathered by "Tycho Brahe" on the detailed positions of Mars in the sky. He used his entire data, plus Newton's view of observation, then he formulated his law of Planetary motion

Hope this helps!

There are no metaphors.

Ch4 and ph3 are both covalent since they are composed both of non-metals.    ch4 is non- polar because of  london forces and has a geometry of tetrahedral  ph3 , on the other hand, is umbrella shaped polar and has dipole-dipole intermolecular force (imf) . since ph3 is polar, it has a stronger imf