This is a map showing the approximate positions of the continents millions of years ago, after the breakup of the last supercontinent. Assume that South America and Africa diverged (separated) at an average rate of 3.5 cm/year (centimeters per year). If the two land masses are now 2850 km (kilometers) apart, how many years ago did they separate?
A. 1.2 • 10^8 years
B. 1.0 • 10^5 years
C. 1.2 • 10^7 years
D. 8.1 • 10^7 years
E. 8.14 • 10^5 years
F. 1.05 • 10^4 years
Answers: 1
Another question on Physics
Physics, 22.06.2019 00:30
Ablock of steel has a density of 0.29lbs per cubic inch. if the block has dimensions of 1 inch by 1 inch by 3 inches, what is its weight? a. 0.29lbs b. 0.58lbs c. 0.87lbs d. 1lbs
Answers: 1
Physics, 22.06.2019 05:30
Agas expands from an initial volume of 0.040 m^3 and an initial pressure of 210 kpa to a final volume of 0.065 m^3 while its temperature is kept constant. how much work is done by the system?
Answers: 1
Physics, 22.06.2019 23:30
Which statement correctly describes the interaction between magnetic poles? north and south poles attract each other. north and south poles repel each other. two north poles will attract each other. two south poles will attract each other.
Answers: 1
Physics, 23.06.2019 09:30
A"car"initially"at"rest"experiences"a" constant"acceleration"along"a"horizontal" road."the"position"of"the"car"at"several" successive"equal"time"intervals"is" illustrated"here. between"which"adjacent"positions"is"the" change"in"kinetic"energy"of"the"car"the" greatest
Answers: 3
You know the right answer?
This is a map showing the approximate positions of the continents millions of years ago, after the b...
Questions
Health, 11.10.2019 11:10
Mathematics, 11.10.2019 11:10
Mathematics, 11.10.2019 11:10
English, 11.10.2019 11:10
Mathematics, 11.10.2019 11:10
Business, 11.10.2019 11:10
Mathematics, 11.10.2019 11:10
English, 11.10.2019 11:10
Mathematics, 11.10.2019 11:10
Mathematics, 11.10.2019 11:10
