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: 10 feet long
Explanation:
The white dashed lines that divide lanes on U.S roads is 10 feet. That happens to be the Federal guideline for every street, highway, and rural roads in the United States, on roads where dashed lines separate traffic lanes or indicate (zebra crossing)—where passing is allowed.
Answer:
Minerals precipitated from solution as water evaporates and materials formed through biological activity such as making shells or other hard parts
Hope this Helps!
They both mean the same thing
So the answer is true
Hope this helps :3
Answer:
Because of their wave movement, P waves travel through any kind of material, whether it is a solid, liquid or gas. On the other hand, S waves only move through solids and are stopped by liquids and gases. ... This also accounts why fewer S waves are recorded than P waves.