Trilobites were rapidly evolving and widespread marine organisms that spanned a number of geologic time periods. Certain types of trilobites only appeared in specific segments of geologic time; therefore, when one of these trilobites is found, you can be certain that the rock layer it is found in is of a certain geologic age.
Close to people of similar ethnicities, cultures, and religions
Answer: Plasma is a main component of blood, which also consists of mostly water
ONE OF THE most bizarre (and fascinating) stories of the Revolutionary War is that of Deborah Sampson, a New England infantry “man” who fought bravely in George Washington's Continental Army. ... The War for American Independence been raging for six years, and Sampson intended to join the fight.
England was looking at the settlement of colonies as a way of fulfilling its desire to sell more goods and resources to other countries than it bought. ... At the same time, colonies could be markets for England's manufactured goods. England knew that establishing colonies was an expensive and risky business.
