What does the absolute magnitude of a star depend on?
a. brightness
c. energy output
b. distance from earth
d. color of a star

Find a formal factor that connects egypt to africa to europe and to southwest asia

Which is a result of the emission from the use of fossil fuel

17. the soil erosion pictured here is the result of what? a. harvesting renewable resources at a rate greater than the sustainable yield b. a mudslide caused by excessive rains c. harvesting renewable resources at a rate lower than the sustainable yield d. the transition between geologic eras and eons