Match each theory of planet formation to its best description.
gravitational
instability theory
gas and dust sticks to
itself and collapses
core accretion
theory
a fare of rock and ice
a core of rock and ice
attracts gases

A60-tooth gear is connected to a 72-tooth gear. if the smaller gear turns 12 times, how many turns does the larger gear make?

Creating new things to solve problems and improve life depends on the close interaction of which two fields?

When mitochondrial dna from living relatives was compared with mitochondrial dna from the skeletons, scientisits determined that skeletons 3,4,5,6 and 7 were members of the romanov family. which of these skeletons can be identified by name based on the evidence you have? explain your answer.