Homework Help: social studies

Posted by phia on Friday, September 28, 2012 at 6:58pm.

The number of multiple births (twins, triplets, etc.) has grown rapidly in the United States since 1980. The main reason for this increase is that:
A. studies show that people are having more frequent intercourse.

B. less frequent intercourse has resulted in higher sperm counts.

C. more teenagers are having sex.

D. more women have been using fertility drugs

My answer is D.

social studies - Ms. Sue, Friday, September 28, 2012 at 6:59pm
Absolutely right!

Answer this Question

Related Questions

algebra 2 - For 1980 through 1995, the number of degrees D(in thousands) earned ...
Algebra - For 1980 through 1990, the average weekly earnings (in dollars)for ...
social studies - How did U.S. participation in World War I impact U.S. foreign ...
algebra 2 problem...still having trouble!!! - someone tried to help me but i ...
Macroeconomics - Peter Pundit, an economics reporter, states that the European ...
macroeconomics - One of the main results of the Depository Institutions ...
civics - I couldn't not find the answer to this in my book. The county form ...
Social Studies - In the early years of our nation, many Americans referred to ...
Genetics - Among 10,000 twin births, there were 4350 male pairs, 4150 female ...
Social Studies - How many states are their in the Southwestern United States?

For Further Reading

First Name:
School Subject:
Answer: