Latitude and longitude Is an invisible line that divides the earth in half..(Prime Meridian)
Answer:
On March 31, 1776 Abigail Adams wrote a celebrated letter to husband John, who was in Philadelphia serving in the Continental Congress, which would produce the Declaration of Independence three months later. In an age when women were seen as strictly domestic beings, the letter shows Abigail’s boldness and insight as she urged her husband Remember the Ladies, to grant women more rights, as he helped shape the new national government.
Explanation:
From lakes and grasslands with hippos and giraffes to a vast desert, North Africa's sudden geographical transformation 5,000 years ago was one of the planet's most dramatic climate shifts.
The transformation took place nearly simultaneously across the continent's northern half, a new study finds. The results will appear in an upcoming issue of the journal Earth and Planetary Science Letters.
http://www.livescience.com/28493-when-sahara-desert-formed.html
