Who is considered one of the greatest travelers of all time, and during a 30 year period, traveled all over the known Islamic world, as well as many non-Muslim lands?
A)
Ibn Sina
B)
Marco Polo
Ibn Battuta
D)
David Livingstone

Which of these is an example of physical systems impacting the environment? a flood causes erosion and loss of shoreline. people fill a lake before building houses near it. an earthquake causes a building to fall. a native tribe considers a volcano to be sacred.

Afederally funded research study involving children 8 to 12 years old involves collecting a single voided urine sample to assess the frequency of asymptomatic proteinuria (higher amounts of protein in the urine without any signs or symptoms of illness or infection). your irb has determined that assent of children age 8 and older is required for the study. a 10-year-old firmly declined to participate in the study described above. which of the following procedures best describes the action to be taken by the investigator? a. honor the child's decision b. consent both of the child's parents instead c. consent one of the child's parents instead d. request the child reconsider assenting to the study

Explain the ways in which patrol officers may be used to increase the efficiency and effectiveness of criminal investigations. (150 words