________ refers to the agricultural practices in which the members of a farming family produce only enough food for themselves and do not make use of large-scale irrigation, chemical fertilizer, or machinery and technology
A) Subsistence agriculture
B) Reduced tillage agriculture
C) Advanced organic farming
D) Subsidence agriculture
E) Intensive traditional agriculture
A
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The vast majority of the oil entering the oceans results from natural seeps and pollution from the use of oil as lubricants and fuel in machinery (cars, trucks, boats, lawn mowers, jet skis, etc.).
Answer the following statement true (T) or false (F)
The distinctive sedimentary rocks that were deposited in the early-formed Gulf of Mexico were ____________________
Fill in the blank(s) with correct word
Which of the following factors describes why upwelling occurs along the northern California coast?
A. Seismic activity occurs on the ocean bottom. B. Winds cause surface waters to move away from the coast. C. Water level is affected by the gravitational attraction between the Earth and the moon. D. Water flows from the Atlantic Ocean into the Pacific Ocean because of their different levels.
Where is there a rising number of HIV cases?
A) Singapore B) Philippines C) Brunei D) Indonesia E) Thailand