<span>Scientists choose where are units of time began and ended based on major changes in life forms at certain times</span>
Answer:
Granite changes into sandstone by means of weathering and erosion. Through the passage of time, fragments of granite are broken down into smaller pieces, or sediments, which are transported and deposited at the bottom of the oceans or rivers. These particles form layers of sand and pebbles that undergo compaction and cementation to create sandstone.
<u>Answer:</u>
The state governments and the federal government are required to work together to ratify the constitutional amendments.
<u>Explanation</u>:
- An amendment to the constitution can either be proposed by the United States Congress or by at least 38 of the 50 state governments.
- No matter who proposes the amendment, it has to be ratified by at least 2/3rd of the existent state governments and also the United States Congress for it to become a part of the Constitution.
The correct answer is<span> A composite volcano, rhyolitic magma, and plinian explosion
</span> What composite means is that there was a lot of lava around it that cooled and overtime the more lava there was the more it layered around and created the comoposite volcano. That is because there's a lot of lava at its eruption. The violent explosion is plinian because it goes high into the air with a lot of smoke and matter in it.
It focuses on the main foreign policy events, such as World War I, the Paris Peace Conference, the establishment of the League of Nations, the Munich Agreement, World War II, the Yalta Conference, the establishment of the United Nations, the Cold War, and the emergence of the European Union.
.......... therefore
<em>The</em><em> </em><em>answer</em><em> </em><em>is</em><em>:</em><em> </em>
B.