The sea that forms Polands northern boarder is called Baltic
Answer:
Mount McKinley, which is located in Alaska
Explanation:
Mount McKinley’s highest peak is 20,320 feet.
Answer:
Pangaea....................
<span>The Ring of Fire is a major area in the basin of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur. In a 40,000 km horseshoe shape, it is associated with a nearly continuous series of oceanic trenches, volcanic arcs, and volcanic belts and/or plate movements. It has 452 volcanoes. The Ring of Fire is sometimes called the circum-Pacific belt.
source: wikapedia</span>
Answer:
Healthy ecosystems clean our water, purify our air, maintain our soil, regulate the climate, recycle nutrients and provide us with food. ... Biodiversity is the key indicator of the health of an ecosystem. A wide variety of species will cope better with threats than a limited number of them in large populations.