« previous next »

Author Question: Scientists found that the main cause of the diffusion of AIDS in sub-Saharan Africa was A) people ... (Read 24 times)

silviawilliams41

  • Hero Member
  • *****
  • Posts: 560
on: Jul 14, 2018
Scientists found that the main cause of the diffusion of AIDS in sub-Saharan Africa was
 
  A) people traveling to visit relatives.
  B) rhesus monkeys.
  C) migrant workers.
  D) long-distance truck drivers.

Question 2

Diffusion
 
  A) is the result of relocation only.
  B) sometimes encounters barriers.
  C) terminates at a hearth.
  D) has decreased greatly in recent years due to advances in technology.


iman

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 14, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

The greatest bone mass is found around age 30 for both men and women, with the later decline being f The greatest bone mass is found around age 30 for both men and women, with the later decline being f
Earth scientists have devised a scheme to divide the planet’s natural history into distinct time ... Earth scientists have devised a scheme to divide the planet’s natural history into distinct time ...
Controlled Scientific Experiments Scientists use experimental research to test hypotheses Controlled Scientific Experiments Scientists use experimental research to test hypotheses
Phosphorus in Phospholipids Phosphorus makes up part of the phospholipids found in cell membranes Phosphorus in Phospholipids Phosphorus makes up part of the phospholipids found in cell membranes
Sensory Crossover Device for Visually Impaired People Sensory Crossover Device for Visually Impaired People
Scientists do research in the laboratory and in the field Scientists do research in the laboratory and in the field
Video: Magnetic resonance imaging (MRI)

For a complete list of videos, visit our video library