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.
Answer:
B: Reduced trade barriers between Canada, Mexico & the US
Explanation:
Answer: The Proclamation of Amnesty and Reconstruction was Lincoln's plan to reintegrate the Confederate states back into the Union, granting presidential pardons to all Southerners (except political leaders) who took an oath of future allegiance to the Union.
Explanation:
