What political changes from ca. 1900 to the present led to territorial, demographic, and nationalist developments?

An object accelarates from rest to a velocity of 2.4m/s over a distance of 16m what was its accelaration

Which two organisms in the food web would most likely be affected by a decrease in producers, or the plants, at the bottom base of the food web?

The annual earnings of a typical investor are $1,000,000 to $10,000,000. $100,000 to $500,000. $60,000 to $200,000. $40,000 to $80,000.