Answer:
Yes topography can affect communication and civilization
Answer:
Correct answer is the Columbian Exchange
.
Explanation:
The Columbian Exchange is the correct answer as during this period many products were exchanged between Old and New World. It is the term that was coined after Christopher Columbus who discovered new continent, thus establishing links between these areas.
All other terms are not connected with this diffusion, therefore only second option is correct.
Answer:
winter, sorry for being late
Explanation:
Answer:
Option: a. 200 million years ago
Explanation:
Million years ago, Earth had one supercontinent called Pangaea and surrounded by an ocean (Panthalassa). Alfred Wegener proposed the concept of one big continent after putting together different records of confirmation. He was able to give his theory by examining fossils of plants, trees, animals, and reptiles that found in different continents. About 200 million years ago, the supercontinent began to split up into two parts; Gondwana from Laurasia. Today's countries, including Africa, Antarctica, India, South America, and Australia are part of Gondwana, where Europe and North America from Laurasia.
The answer to your question is carbon dioxide
