The answer is The unsorted sand and rock is the least porous. The porousness of a solid material is dependent on the size of holes within it. This can be tested by how quickly, the material can pass a liquid through it. The bigger the holes, the higher the porousness, In this case, the unsorted sand and rock have the smallest holes between its particles.
Distance of two points can be calculaetd using formula:

Here x1 and y1 are coordinates of point A and x2 and y2 are coordinates of point B.
Now we insert numbers into formula:
Answer:
Opition A,B and C is the answer.
Cities Latin America's most culturally diverse areas are its cities