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.
<span>In the Triassic period all of North America was similar to the Indonesian archipelago. After the heavy snow in the last mini-ice age the receding snows left huge craters resulting in the popular Great Lakes. Thus, altering the topography of the planet. </span>
6 million Jews were killed in all and for extra he killed 17 million people overall in the Holocaust.
<span>Qin Shi Huang, also known as </span>Qin Shi Huangdi I believe
Answer:
spirit of cooperation ended abruptly in 1960, when the Soviets shot down an American U-2 spy plane over their territory"-755
Explanation:
President Dwight D. Eisenhower (1890-1969) was the 34th president of the United States of America between 1953 to 1961. He worked well with the Soviet leader Nikita Khrushchev to thaw the cold war at the end of 1950s. In May 1960, their cooperation ended prematurely when diplomatic crises erupted because the Union of Soviet Socialist Republics (USSR) were said to have gunned down an American U-2 spy plane in Soviet air space.
President Eisenhower was compelled to admit to the soviets that the central intelligence unit of his country has been sending out spy missions for several years in the USSR.
