Which of the following activities is most likely to be found in the outermost zone of con Thüen's model of agricultural land use? A. Mixed farming
B. Subsistence farming
C. Specialty farming
D. Dairying and market gardening
E. Extensive grain or stock raising

What is the difference between external & internal migration

How many countries have portuguese as a national language?

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.