That the Egyptians used a calendar, illustrates that the Egyptians made great advances in what field?

Which was an effect of the nuclear disaster at chernobyl, ukraine? people and animals did not get sick. drinking water was unsafe for a long time. forests got healthier than they had been. all the nuclear power plants in the world were closed.

Immigrants arriving in the united states during the late 1800s experienced many difficulties. which of the following was a problem which large numbers of immigrants faced?

Why did the settlement of east texas stop in the late 1710s