помогите пожалуйста. ответьте на вопросы по тексту очень прошу!! :(

The Grand Canyon is situated in North west Arizona, USA.
We can see The Colorado river at the bottom of the Canyon.
The canyon is six million years old.
The canyon is 446 km long.
At the widest point the canyon is 29 kilometres wide.
It is 1800 metres deep at the deepest point.
It is hotter at the bottom than at the top.
It is 50C in the summer.
Some of the rocks are two billion years old.
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Not sure if everything's right, but I tried my best.