Answer:
To analyze mineral content from Earth's crust
Explanation:
Scientists study for content inside of the earth's crust like earth quakes, seismic waves are also a hint to show what is happening inside of Earth's crust.
Let's number them okay. Since I can't see everything that is said in the picture I will have to assume it is either number 3 or 4.
Hello. You did not enter the text to which this question refers, which makes it impossible for it to be answered accurately. However, I will try to help you in the best possible way.
When a character starts the work talking directly with the reader, we can perceive an affinity effect between narrator and reader, leaving the work more personal and with a more confident effect. The reader, then, begins to be part of the work, as a person who is being confidant of the narrator and receiving all the report first hand.
Answer:
Dr Hewitt is able to break the piece of wood in his demonstration given that he had knowledge about the concept of momentum, which is esentially the product of the mass and speed of an object.
Aplying this idea, he used the correct momentum of his hand over a short period of time and that is how he was able to break the piece of wood.
