what are ice ages?
A)periods of time glaciers receded to cover only the poles.
B)eras during which earths orbit kept the planet far from the sun.
C)periods of time when glaciers covered much of the earth.
D)times when human and animal life thrived in high latitudes.
.I chose letter (C).
When the death rate is higher than birthrate,_________ exists.
A)zero population growth
B)doubling time
C)population density
D)negative population growth
.I chose letter (B).
Every culture creates a social system by:
A)treating each person equally
B)Treating its members as if they had to earn privileges
C)organizing its members into smaller groups
D)organizing its members into one large group
.I chose letter (C).
first, and third correct.
a)zero population growth for the second question
With regard to population growth, think in terms of money.
If you earn 1000 per month and you spend 1100 per month, are you making money or losing money. If the death rate (losing people) exceeds the birth rate (making people) will the population get larger of smaller.
For the question about ice ages, you selected option C, which is correct. Ice ages refer to periods of time when glaciers covered much of the Earth. To arrive at this answer, you can eliminate options A, B, and D by understanding that ice ages are not limited to covering only the poles, not caused by Earth's orbit being far from the sun, and don't necessarily indicate thriving life in high latitudes.
For the question about the existence of doubling time, you selected option B, which is incorrect. When the death rate is higher than the birth rate, the term used to describe this situation is negative population growth. Doubling time refers to the time it takes for a population to double in size. To get the correct answer, you should have chosen option D, negative population growth.
Lastly, for the question about how social systems are created, you selected option C, which is correct. Every culture creates a social system by organizing its members into smaller groups. The other options are incorrect because not all cultures treat each person equally, not all cultures require members to earn privileges, and not all cultures organize their members into one large group.