A. By the Equator.
The ocean's salinity is higher near the equator, as the water is warmer. Higher temperatures evaporate more water, but leave the salt.
Answer:OB.
San Francisco Earthquake of 1906
B: México and the United States share the southern border
The answer is A. Root crops, including yams, sweet potatoes, and taro, became more common.
The root crops became more common, and practically the basic food source. This was due to the fact that the climate and soil on the Pacific islands were excellent for growing them, and of course for having a sustainable food source.
