Hey y’all I really need some help here- What event might mark the end of a period?
A of the previous period
The fact that 100 million years had elapsed since the end
B A major geologic change
C The appearance of one new species
D The gradual drifting of the continents

Which number shows the location of italy?

Is the weather changing? consider the data of severe weather that includes tornadoes occurring throughout the u. s. over the last four years. compare the severe weather for the last three years. then compare the first three months of 2017 with that data. based on previous years, what might the prediction be for weather during 2017?

45 were the 1920s a “return to normalcy” or a “time of great change”? submit it in a letter format.