Answer:
Shifting cultivation is an agricultural system in which plots of land are cultivated temporarily, then abandoned while post-disturbance fallow vegetation is allowed to freely grow while the cultivator moves on to another plot. The period of cultivation is usually terminated when the soil shows signs of exhaustion or, more commonly, when the field is overrun by weeds. The length of time that a field is cultivated is usually shorter than the period over which the land is allowed to regenerate by lying fallow.
Answer:
Human population changes due to population dynamics as birth, death and migration.
Explanation:
- The shift in the population of the US occurring during the year 2000 to 2004 as a result of the movement from the northeast, midwestern regions to the north and south west and to the southeast.
- Places like California and NY were losing population due to the high cost of living. States like Michigan had high unemployment rates. Other states gained population due to the lower living costs and availability of jobs.
D, 8100 seconds is equal to 2 hours and 15 minutes
