The quadrantal bearings of the lines AB and CA are S $$30^o$$ E and S $$75^o$$ E, respectively the inclined angle CAB is _____.

When the product of rock weathering is not transported as sediment but remains in place, is called

For sand of uniform spherical particles, the void ratio in the loosest and the densest states are ________ and ________ respectively.

A saturated sand sample has dry unit weight of 18 $$kN/m^3$$ and a specific gravity of 2.65. If $$\gamma_w$$ = 10 $$kN/m^3$$, the water content of the soil is _____%.