*What environmental issues are affecting Yellowstone National Park?
The two biggest environmental issues affecting Yellowstone National Park are fires and wildlife protection. There are pros and cons to forest fires. Forest fires are good for the park because it can help take out all the old trees and grass so that new grass and trees can grow. But when wildfires strike the park, it can destroy animals and be dangerous to the people in the area.It is important to have fires but to keep them controlled and the people and animals safe.

Wildlife protection is also important in Yellowstone National Park. Since the animals have been in the park since before it became a national park, they roam around to breed and feed. The park has protection boundaries to keep the animals safe while they roam, but if the animals leave these boundaries, they may face danger. Keeping the animals safe is an important issue at Yellowstone National Park.

*Are there any special landforms in Yellowstone National Park?
Yes, there are many different landforms in Yellowstone National Park. This park has a super volcano(very large volcano and is very destructive when it explodes and a beautiful caldera (a volcanic crater). The park also has an estimated four thousand fumaroles. A fumarole is an opening in the earth's crust that releases steam and gases. They are often found near volcanoes. Other landforms in Yellowstone National Park include mountains and geysers. All of these landforms make Yellowstone National Park the beautiful park it is today.

*What type of rocks can be in Yellowstone National Park?
Geyserite(metamorphic rock) is the most common rock found in Yellowstone. Another rock that can be found in Yellowstone is called travertine. Travertine(sedimentary rock) may be hard to find in the park, but you can find it in the Mammoth Hot Springs near the entrance of the park. Mammoth Hot Springs is made of travertine.

*What technology is used in Yellowstone National Park?
Technology used in Yellowstone is very important to the park. Here is some technology to help the park map out its landforms. InSAR is a special piece of technology is used to give images of the movement of the ground relative to a satellite. and is useful for mapping and watching it's calderas.

GPS provides time series information on a specific location.Satellites continuously send information to ground-based receivers that are better than GPS in some cars and hand held devices. In conclusion, GPS is a very useful tool in Yellowstone National Park.

*How was Yellowstone National Park Formed?
The formation of Yellowstone is a lot like the formation of North America. According to science, approximately 540 to 66 million years ago, the western United States was covered by oceans, sand dunes and plains. Then, about 640,000 years ago, a very large area (which is now the center of the park) suddenly exploded. This event is called the "Yellowstone Super Eruption." This eruption left a crater that covered 45 miles. This crater is now the middle of Yellowstone National Park. Over time, mountain building, volcanic eruptions and melting glaciers continue to form Yellowstone National Park. Earth's most active volcanic, hydrothermal and earthquake systems make it a wonderful treasure!

In 1988, fire burned much of the park (36%), changing its appearance, but the major landforms were not destroyed. The geysers, waterfalls and wildlife are still here. Over the years, Yellowstone has experienced big natural events and will continue to see them as the land continues to change.

*How is Yellowstone's Land Currently Changing?
In 2014, it was recorded that the land in Yellowstone had risen 3.5 inches since the last measurement. Also, the scientists noticed that the land in Yellowstone has been releasing huge amounts of a rare form of helium known as Helium-4. When scientist notice an increase in Helium-4, they also see an increase in volcanic eruptions. Recent strong earthquakes around the park let the scientists know that magma is flowing and changes are coming!

Climate changes will also affect the land in Yellowstone. Wildfires are expected to increase and snowfall will decrease. These changes will make the land in Yellowstone more like the deserts of the southwestern United States. These wildfires and less snow will greatly affect the animals, plants and trees of the park.

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