Question

question 12 (5 points)
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regarding chemical elements such as argon that are inert, which of the following statements is true?
a) they easily react with other elements to form chemical bonds.
b) they have twice as many protons as electrons.
c) they dont react with other elements to form compounds.
d) they regularly lose several of their outer electrons when reacting.
question 13 (5 points)
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a country has recently evolved from underdeveloped to developed, and the birth and death rate have stabilized. this is known as
a) death stabilization.
b) birth stabilization.
c) zero population growth.
d) the age - structure model.

Explanation:

For Question 12, inert elements like argon are chemically unreactive and do not readily form compounds with other elements. Option A is incorrect as they don't easily react. Option B is wrong because in neutral atoms, protons and electrons are equal in number. Option D is incorrect since they don't regularly lose outer - electrons in reactions.
For Question 13, when a country evolves from under - developed to developed and birth and death rates stabilize, this is known as zero population growth where the number of births and deaths balance out over time. Option A only refers to death rate, Option B only to birth rate, and Option D is about the age - distribution model.

Answer:

Question 12: C. They don't react with other elements to form compounds.
Question 13: C. zero population growth.