Compare the ages of oceanic crust in the northern Atlantic Ocean off the Carolinas in North America and off the western Sahara in northwestern Africa with the ages of crust in the southern Atlantic Ocean off Uruguay in South America and off Namibia in southwestern Africa. How do the two sets of ages compare? What can their ages tell us about the history of the Atlantic Ocean basin and the breakup of Pangaea?

This is all you, but i can give you some topics that you could try. if it rained when you want to do something outdoors, it 'limits' that human activity. maybe you want to do an experiment that goes throughout the whole year and you have to have above freezing the entire year. this 'limits' your activity. i thought of those just off of the top of my head. something that gets to me that might be getting to you is you are thinking too hard about what to do. think simply, and if it is too simple, then bump it up just a little bit.

Sequoia national park  /  inyo national forest, california, u.s. mount whitney is the tallest mountain in california, as well as the highest summit in the contiguous united states and thesierra nevada—with an elevation of 14,505 feet (4,421 m).

Anstobacco uses;