Which observation supported wegenerís theory of continental drift?
each continent had mountain ranges.
the earthís rotation could provide enough force to move the continents apart.
different continents had different rock types.
identical fossils were found on continents that were far apart.

What is a carrier wave and how does it affect what you hear on the radio

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.

The precision of a laboratory instrument is ± 0.05 g. the accepted value for your measurement is 7.92 g. which measurements are in the accepted range? check all that apply. 7.85 g 7.89 g 7.91 g 7.97 g 7.99 g