The NAFTA (North American Free Trade Agreement) is the agreement that has lowered trade barriers between Mexico and the rest of North America. It was signed January 1, 1994.
A C and D. It cannot be b because scientists have warned people in the past about volcanoes and their possibility for erupting. Earthquakes cannot be predicted however there are warning signs one can look for.
Answer:
Skamania County is located on the North American Plate, just like the rest of the state of Washington. The plate immediately to the front is the Juan de Fuca Plate, which runs alongside the coast of Washington.
In fact, most of the United States is located on the North American tectonic plate, including Alaska. Only Western California is located on another plate: The Pacific Plate, whose boundary with the North American Plate is the famous San Andreas Fault.
Less than a percent (1.2%) of the earth's total water is Surface and aquifer freshwater sources hold.
Earth is 70% covered in water. Of this water, 97% is saline water which is found in the ocean and the rest is fresh water. Less than 1% of the earth's surface fresh water is in ground and surface water. And about 2% is available in the form of glaciers. Only 1% of aquifer water is usable in the form of rivers, lakes, or ponds. The atmosphere also holds some quantity of water in the form of tiny droplets.
In the US 49% of fresh water is used in electricity production by thermal electric power production,31% in agriculture irrigation,11% for public use, and the rest for industries as compared to developing countries where 70% is used in agriculture or industries.
Read about the distribution of water:
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