Question

Czy dobrze napisałam tekst? Proszę, aby sprawdził go ktoś, kto bardzo dobrze zna język angielski :) Z góry dziękuję! :)

NATIONAL PARKS IN USA
a. Yellowstone - is the largest national park in USA and the oldest in the world. It was created in 1872.
Across the park with yellow canyons Yellowstone River flows, from which she took the name of the park.
There are 3000 active geysers. The most active of them - Faithful Geyser erupts every 80 minutes to a height of 50 meters.

b. Sequoia National Park is located in California and was created in 1890.
The Park is known of the tallest trees in the world. These trees are the sequoia.
These trees are up to 100 meters high and 5 meters in diameter.
In the park is Mount Whitney, the highest peak in the USA with 4421 meters high.

c. Arches National Park is located in the eastern part of the state of Utah and was founded in 1971.
Here is over 1800 rock arches. In addition to the parks here are many rock walls.

d. Hawaiʻi Volcanoes National Park established in 1990 and is located in the state of Hawaii on the island of Hawaii.
A characteristic feature of the park are volcanic landscapes.
Hawai'i Volcanoes National Park encompasses two active volcanoes: Kilauea and Mauna Loa.
Kilauea is one of the world's most active volcanoes. Volcano is between 300,000 and 600,000 years old.
Mauna Loa is the world's most massive subaerial volcano, who has historically been considered the largest volcano on Earth.
Molokini is a small crescent-shaped island. It was made from the crater of the volcano