1 In contrast, Preseedâs osmolality matches that of semen and thus does not harm or damage sperm.  Viscosity â The texture of many vaginal lubricants also negatively affect fertility by inhibiting the sperm from traveling up the vagina and through the cervix quickly and efficiently.
The Civil War in Sudan was caused by religious tensions between the North and the South. The two main religions are Sunni Muslim (North) and Christians or other traditional beliefs (south).
Causes of the American Civil War: Webquest Essential Question: What were the underlying and immediate causes of the American Civil War? Correlation to Common Core Standards/Student Objectives: Students will be able to: 1. Accurately research and answer questions about the Causes of the Civil War using Internet sources. 2. Identify underlying and immediate causes of the American Civil War.