15. Each day at the equator there are about a. 12 hours of daylight and 12 hours of darkness
b. 24 hours of daylight
c. 6 hours of daylight in winter and 18 in summer
d. 18 hours of daylight in winter and 6 in summer

In which horizon of soil profile is prevent material usually found

To solve this system of equations by elimination, what operation could be used to eliminate the y-variable and find the value of x? 6x + 5y = 2 4x + 2y = 8 a) subtract 2 times the second equation from 3 times the first equation b) subtract 3 times the second equation from 2 times the first equation c) subtract 5 times the second equation from 2 times the first equation d) subtract 2 times the second equation from 5 times the first equation

Agriculture is a. slowly being replaced by mining as the primary industry in southern africa c. not possible in southern africa because of drought b. the primary industry in southern africa d. none of the above