Factors that could hamper or block effective communication

Describe a theme that the author develops through these two excerpts. then analyze how the two excerpts interact and build on one another to develop this theme. be sure to use specific details from the text to support your ideas.

Why witchcraft often the explanation for illness

Examine the public service ad. how does this ad transmit a cultural value? by sharing relevant high school graduation statistics by promoting a new type of educational program by reminding the public of the need for new schools by encouraging people to strive for more education