Which of the following descriptions summarizes the political structure of the Bedouins? Question 9 options:

sedentary groups controlled by foreign powers

herders with tribal leaders but no formal government

small groups headed by emirs, or Arab rulers

nomadic groups governed by the Sa'ud family

Which of the following describes what rocks usually are composed of ,

One of the brightest comets of the 20th century was comet hyakutake, which passed close to the sun in early 1996. the orbital period of this comet is estimated to be about 30,000 years. find the semi-major axis of this comet’s orbit. compare it to the average sun-pluto distance and to the distance to alpha centauri, the nearest star to the sun, which is 4.3 light-years distant.

What weather system might be occurring if the pressure gradient decreases and fish harvests in peru are weaker than normal