The two stars in a binary star system have masses 2.0 * 1030 kg and 6.0 * 1030 kg. they are separated by 2.0 * 1012 m. what are a. the system’s rotation period, in years?

What part did glaciers play in forming the great lakes?

Rocks that contain crystals that are roughly equal in size and can be identified with the unaided eye are said to exhibit a texture.

The great scientist alfred wegener proposed that continents have moved, while other scientists such as t.c.chamberlin argued against wegener. wegener's ideas eventually won, and are now widely accepted, because: a) wegener's ideas were more beautiful, and so were favored by the intellectual elite.b) wegener's ideas did a better job of predicting the results of new observations and experiments.c) wegener's ideas appealed to dead white european males, whereas chamberlin's didn't.d) wegener's ideas appalled dead white european males, and we all know that in this politically correct era,dead white european males cannot get a fair shake.e) wegener won the nobel prize.