The two maps show the salinity and current flows in the Atlantic and Pacific Oceans. Which sentence correctly explains the difference in salinity in the oceans along the East Coast and the West Coast of the United States?

a. The warm waters of the Gulf Stream have a higher rate of evaporation, which increases the salinity of the water.
b. Precipitation near the Gulf Stream increases the salinity of the water in that area.
c. Melting ice in the Gulf Stream increases the salinity of the water in that area.
d. Melting ice in the Labrador Stream increases the salinity of the water in that area.

When coal has reached it hardest, darkest form, it is called select one: 0 a. sub-bituminous b. lignite c. bituminous d. antrhacite next page

Recent research by marine biologists suggests that bottlenose dolphins have names for themselves. scientists played sounds they had identified as the names of particular dolphins, putting them through a synthesizer so that they did not sound like the voices of particular dolphins. the researchers found that dolphins would respond to the names of other dolphins that they were related to or associated with, but they ignored the names of strangers. this discovery suggests a much greater degree of self-awareness in aquatic mammals than was previously suspected. if this research holds up, what does it suggest about dolphins?

The distant ancestors of tigers may have had bodies without stripes. use the theory of natural selection to explain how tigers may have evolved to have stripes.