Answer:
he body's first line of defense against pathogens uses mostly physical and chemical barriers such as sweat, skin, tears, mucus, stomach acid, and so on.
Explanation:
Explanation:
The First wave of Immigration to the U.S. were mostly White, Protestant Europeans from Germany and England. The second wave of Immigration to the U.S. consisted of immigrants fleeing Eastern European and Mediterranean countries because of either religious reasons or economic reasons, this group of immigrants faced discrimination in the U.S. The third wave of immigration to the U.S. mainly consists of immigrants from Latin America and Eastern Asia. Immigration from Latin America has accelerated in the past 40 years due to decades of corruption and war that has been caused by American intervention in the region during the 70s and 80s.
In relation to the Andes mountain, the Atacama desert is located to the west. It actually lies between the pacific ocean and the Andes mountain. The Atacama desert is one of the driest place on earth. It is a rainless pleatue located in Southern America. The Atacama desert covers almost a 1000 kilometers. The desert mainly consists of salt lakes, rocks and sand. This is a place where rain occurred numerous years ago and so it is considered a totally rainless place. There is every probability that the Atacama desert is the oldest desert present in the earth.
