Answer:
Tors are landforms created by the erosion and weathering of rock; most commonly granites, but also schists, dacites, dolerites, ignimbrites, coarse sandstones and others. Tors are mostly less than 5 meters (16 ft) high.
Usually determined by changes in the biota.
It is answer B, that is what I think it is
Well let's see how many numbers can be divisible by 6 or 8, add them up, and then put it into a fraction.
6: 6, 12, 18, 24, 30, 36.
6: 8, 16, 24, 32, 40.
Total:
6, 8, 12, 16, 18, 24, 30, 32, 36, 40.
There are 10/40 positive numbers that can be divided by 6 or 8.
Simplified, 1/4.