Question 4 of 20 Which of the following describes an important difference between the
Muslim calendar and the Gregorian calendar?
O A. The Gregorian calendar accurately tracks the Sun's movements,
while the Gregorian calendar tracks the Moon's movements.
B. The Muslim calendar is only used by religious leaders, while the
Gregorian calendar can be used by any member of a Christian
society
C. The Gregorian calendar is divided based on Jesus's birth, but the
Muslim calendar starts when Muhammad moved to Medina.
D. The Muslim calendar describes time as a set of repeating cycles,
while the Gregorian calendar describes time as a straight line from
past to future.

The Gregorian calendar is the calendar used in most of the world. It is named after Pope Gregory XIII, who introduced it in October 1582. The calendar spaces leap years to make its average year 365.2425 days long, approximating the 365.2422-day tropical year that is determined by the Earth's revolution around the Sun.                  

calendar (Arabic: ٱلتَّقْوِيم ٱلْهِجْرِيّ‎ at-taqwīm al-hijrīy), also known as the Hijri, Lunar Hijri, Muslim or Arabic calendar, is a lunar calendar.

Explanation:

native americans suffered high rates of poverty and unemployment.

during the late 1960s and early 1970sthe need for political militancy grew among the native americans. throughout the 1960s, they had been the nation's poorest minority group, the most deprived group, according to practically every socioeconomic measure. in 1970, the indian unemployment rate was 10 times the national average, and 40 percent of the native american people were below the poverty line.