The way that scientist determine when an era begins and when it ends is : Mass extinction of an organism
For example, millions years ago, the world was under the era of dinosaurs, which were simply the most superior beings on earth during that time, after they became extinct, the earth enter the era of the mammals
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7 history samouri and the constant formality and pop culture
Answer:
because it helped with transportation and trade
Explanation:
Answer:
A
Explanation: is the answer
<u>Explanation:</u>
<u>The four babies in the film are:</u>
- Ponijao from Opuwo, Namibia,
- Mari from Tokyo, Japan,
- Bayar from Bayanchandmachi, Mongolia, and
- Hattie from San Francisco, California.
Milestones
The story recounts the first time each of the babies made their first words when they started to crawl, and when they started to walk.
Emotions
The film also portrays their outburst of emotions, when a scene shows Ponijao and her sibling hitting each other because of a dispute.
