Answer:When scientists focus on climate from before the past 100-150 years, they use records from physical, chemical and biological materials preserved within the geologic record. Organisms (such as diatoms, forams and coral) can serve as useful climate proxies. Other proxies include ice cores, tree rings, and sediment cores.
Explanation:
Answer: This region is one of the world's premier natural showcases for Earth history. These rocks formed deep beneath the surface of the earth and were uplifted, eroded, and exposed for eons. By 600 million years ago North America had been eroded to a remarkably smooth surface.
Explanation:
The best way to summarize what he thought about independence is when he made a famous speech in St. John's Church in Richmond, saying "Give me liberty, or give me death!"
Hope this helps!
The process of paper making has exited from as least as early as 200 BC in modern-day China.
This was during the Han Dynasty when the first wood fibers were pressed to make a paper. Similar products existed in ancient Egypt, such as the papyrus, but those were completely plan based and were not long lasting or durable.
In the 8th Century, paper making spread from China to the Islamic world and reached Europe in the 11th century.
Spanish is spoken throughout Central and South America because these are the regions colonized by Spain after Columbus discovered the New World. The colonists and conquistadors brought the Spanish language with them as they conquered the local populations and established their rule in the area. As such, it also includes many of the Caribbean island nations, as well as Mexico, Brazil and Colombia. Because of the heritage of these nations, Spanish and Portuguese are most commonly spoken, but there are many other languages in the region as well. Brazil is the largest country in South America and is the only Portuguese-speaking country in the Americas. It is the world's fifth-largest country, both in geography and in population. The reason Brazilians speak Portuguese is because Brazil was colonized by Portugal, but the history is a bit more complex. The Spanish language was brought across the Atlantic to the Americas by Spanish explorers and Conquistadors in the 16th and 17th centuries, and it spread rapidly throughout North, Central and South America and the Caribbean. Spanish is spoken throughout Central and South America because these are the regions colonized by Spain after Columbus discovered the New World. The colonists and conquistadors brought the Spanish language with them as they conquered the local populations and established their rule in the area.