<u>UNASUR</u> is the newest trade block in Latin America.
Answer: Option E
<u>Explanation:</u>
UNASUR is a trade block that was signed in 2008 and came into force in the year 2011. The countries who are a part of this trade block are twelve in number and some of these countries are Chile, Peru, Uruguay, venezuela and eight more. The main focus of this block is on the physical region integration which includes fields like energy, infrastructure, education, health and many more.
Um, Im not sure try this website
http://www.infoplease.com/encyclopedia/us/washington-state-united-states-geography.html
Sedimentary rock layer is the most complex
Answer:
Humans alter their environment in many ways. We burn fossil fuels to produce electricity and to power cars, airplanes, and much more. We also remove land to build businesses, homes, and stores, and to grow food. We cut down forests to make things like paper, desks, and houses, and we hunt or raise animals for food. And lastly, we divert rivers to store water in reservoirs and to irrigate farmland.