Answer:
The Oceans are saline or salty because of the several natural occurrences. One of the reason is the rivers because it brings water with minerals by crossing over soil and stones, moving salt along the way, which adds into the oceans, results in salinity by evaporating the water.
Ocean salinity levels can change from place to place. The Mediterranean Sea is saltier. The Atlantic Ocean has access to the freshwater rivers, such as the Amazon which provide less salinity in the ocean.
for better research go to under NOAA - Climate.gov
This is a short paraphrased summary of the article about ice cores in that website.
Answer: Researchers in labs may melt or crush bits of the ice core a little at a time, each deeper layer shows the time in the Earth's climate history. Tiny pieces of pollution, metals, radoiactive fallout, pebbles, sea salt, volcanic ash and even air bubbles all present important information that researchers can look for to track changes in the atmosphere's composition and temperature.
Answer: magazines, radio, television, and the Internet
The answer is B!! If it’s not let me know
Answer:
All our cultures have been shaped in fundamental ways by the adaptive interactions between our reached the most remote highlands societies, shaping their ceremonial and political systems.
