Answer:
1 and 5
Explanation:
The image of the different rocks are attached. From the image attached, it can be seen that rock 1 and rock 5 have a fine grained texture.
Fine grained rocks are formed from volcanic eruptions. During these eruptions, the molten magma is cooled fast at or close to the earth surface thereby forming rocks with a fine grained texture. The rock has fine grains because the crystals are small because of the fast cooling of the molten magma. Slow cooling causes the crystals to be large thereby forming coarse rocks such as rocks 2, 3 and 4.
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When George W. Bush was president, he changed America's security policy as a result of the September 11 attacks from one of <u>reactivity </u>to <u>proactivity</u>.
<h3>How did America's security policy change after 9/11?</h3><h3 />
Before 9/11, the U.S. were not very proactive in seeking out terrorist threats which led to lapses in security.
After 9/11 however, the U.S. began to actively watch out for terrorist activity with unprecedented monitoring of civilian and foreign communication.
Find out more on U.S. Security policy at brainly.com/question/438784.
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Answer:
excavation
Explanation:
Excavation retains its central role in field-work because it yields the most reliable evidence for human activities in the past and changes in those activities from period to period.
In archeology, excavation is the procedure by which archaeologists define, retrieve, and record cultural and biological remains found in the ground. It is an important archaeological tool for understanding the processes of the human past. Past activities leave traces in the form of house foundations, graves, artifacts, bones, seeds, and numerous other traces which are helpful in studying the way of life of the people who lived in that era. Excavation helps uncover this remains.
Protect management!!!!!!!!
