The power to establish and maintain schools. All the others are left to the federal government.
I think the correct answer from the choices listed above is option A. All of the following were true about Alfred Thayer Mahan except his legacy was achieved through his writings, not his military service. He <span>was a </span>United States Navy admiral<span>, </span>geostrategist<span>, and </span>historian<span>, who has been called "the most important American strategist of the nineteenth century.</span>
Answer:
The Mazama ash is an example of a marker bed.
Explanation:
Marker beds are distinct strata that are found in other sites in the same region. They can give evidence to age of sediments in a new site if they’ve been assigned a date in other sites. The Mazama ash is consisted of fragments that were ejected into the air by a volcanic eruption of the Mount Mazama, from Oregon Cascades. It blew up 6900 years ago and the ashes were carried by the wind. When the ash settled, it created a marker bed.
