Maria took two samples of the same mineral from her collection. The samples were most likely
A) the same mass.
B) the same color.
C) the same shape.
D) the same length.

Alaska and northern canada have a diet rich in vitamin d and their skin color is darker than predicted on the basis of iv intensity at their latitude. explain the observation:

Explain the significance of thesaurus geographicus

Which of the following human activities resulted in the growth of the north american deer population?