The horizon is always always always always ALWAYS 90˚ above the zenith.
Answer:
Green revolution, great increase in production of food grains (especially wheat and rice) that resulted in large part from the introduction into developing countries of new, high-yielding varieties, beginning in the mid-20th century. Its early dramatic successes were in Mexico and the Indian subcontinent. The new varieties require large amounts of chemical fertilizers and pesticides to produce their high yields, raising concerns about cost and potentially harmful environmental effects. Poor farmers, unable to afford the fertilizers and pesticides, have often reaped even lower yields with these grains than with the older strains, which were better adapted to local conditions and had some resistance to pests and diseases. See also Norman Borlaug
Equator. Because the altitude of Polaris matches the degrees of latitude
The reason why the family removed an orchard of trees so they could build a house is because Erosion is likely because : C. Deforestation removes roots that hold the soil in place
Without plants' root , there is no medium that could hold the earth's structure to prevent it from moving
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