Answer:
Salvation means being saved from sin, and Christians believe that salvation is essential to have a relationship with God while on earth, and to have eternal life with God in heaven after death. ... When people believe in Jesus they believe they receive God's grace which helps them lead a good Christian life.
1) 1870s
2)the people remove sap from rubber trees by making cuts in the bark which does not harm the trees
3)by saying that they have worked there longer than most of the other interest groups they also say that their life doesn’t just the the rain forest
Islam and Christianity are examples of religions introduced to India from outside countries (a).
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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.
