It's Germany and Austria-Hungary :)
Food chins go in one direction, like a chain and food webs go in lots of different directions.
After nearly four centuries of internal divisions and strife, China was reunited under the leadership of Yang Jian. A member of a respected aristocratic family, Yang Jian founded the Sui Dynasty. Yang Jian used Buddhism to help unite the kingdom.
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.
