Answer:
The properties of the asthenosphere are:
1. highly viscous
2. mechanically weak
3. ductile region of the upper mantle of the Earth
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:
Economic growth is directly related to environmental protection. Power plants and motor vehicles come with air pollution control technologies that someone makes and sells.
