Answer:
4 billion years
Explanation:
Scientists have found the oldest known rocks on Earth. They are 4.28 billion years old, making them 250 million years more ancient than any previously discovered rocks. Earth formed about 4.6 billion years ago from a disk of gas and dust circling the sun.
Below are the answers:
<span>1. Paris is southeast of London.
True
2. The majority of the Western European agriculture takes place on the Great European Plain.
True
3. Rome was a republic ruled by senators (wealthy landowners) and the people.
False
4. In the 21st century, the threat from acid deposition has actually been declining.
True
5.
The Ionian Sea is an arm of the Mediterranean Sea between western Greece and southern Italy.
True
</span>
Answer:
C. Tectonic Plate Theory
Explanation:
The Tectonic plate theory says that the crust is broken into multiple different tectonic plates that move across the surface of the upper mantle.
B) ASEAN.
The Association of Southeast Asian Nations |