B, d. is earth's orbit around the sun
The correct answer is - D) Jewish immigrants in Poland who fled to the United States to escape religious persecution and seek safety and new opportunities.
The push factors are the factors that make the people move away from one place to another. They are negative factors, and can be economical, political, because of safety reasons etc.
The Jews that fled Poland in order to feel safe and get new opportunities in life in the United States, based on the religious and ethnic persecution, is a nice example of a push factor. In this case we have a push factor motivated on religious and ethnic hatred, which of course will make the people of the persecuted group feel unsafe, threatened, so they will try to move away if possible because their lives are in danger.
Answer:
B and C
Explanation:
B. In a given rock sample, the amount of Silicon-32 isotopes gets divided in half about every 170yrs.
This is the concept of half-life. Half life is the time take for half of a radioactive isotope to disintegrate. The shorter the half life the faster the isotope disintegrates.
From the question, we were told that it would take 170yrs for half of the isotope of Silicon to disintegrate to Phosphorus. This is the half life.
C. The half life can be used to determine the amount of Si-32 that has decayed from the time closure temperature was reached.
The closure temperature is very important in radioactivity. It is the temperature at which a system has cooled and there is no resulting disintegration of parent and daughter isotopes.
From first order kinetics, we know that the rate at which radioactive elements decay at any time is directly proportional to the number of radioactive atoms present. A knowledge of the half life helps to figure out the number of atoms that has decayed in time.
They are several similarities:
1) Most of the person in the Terror group "ISIS" follow "Islamic religion.
2) The people which follow both of them resides in west Asia like Afghanistan, Iraq, Syria etc.
3) ISIS have laws based on some misconcepts which are explainable by the religion "Islam"
4) They both believe in "Zihad" it is religious thing, whose goal is to achieve "Heaven in their language it is "Jannat"
5) They both are Organization, which means they both work under an organized law which is followed by everyone in their community.
The differences between them are:
1) Islam is the religion & ISIS is an organization.
2) Islam originated in 6 Century A.D. whereas ISIS originated like 60 Years ago.
3) Islam follow God, so most of their people believe in peace whereas ISIS is a terror group so they believe in harm others.
4) Islam can be followed by everyone and it is legal whereas ISIS is a bad thing & illegal.
5) ISIS has one leader name "Baghdadi" whereas Islam have their God name "Allah"
6) ISIS is limited in west Asia whereas a person who follow Islam can be found anywhere around the world
Hope this helps!
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<em>A cliff is a steep and often sheer rock face. If you stand on the edge of a cliff and peer over, you'll be able to see the waves crashing on the rocks below.</em>
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