Have discovered fossils of similar an different continents. This indicated that continents were on to
7. What did geologists discover?
carth Processes an as earthquakes, onde
8. The continents are parts of enormous sheets of rock called
9. These plates are in constant

0.3x0.21x0.08kg=mass 1 sheet

mass 500 = 500xmass 1

volume pile = 0.3x0.2x0.048

density=mass/volume= 500xmass 1/0.3x0.2x0.048

v patient student

hi there!

out of the two, (b) precision would be more reasonable.   however, both a and b could be pretty reasonable.

-awesomerepublic   : )