Answer... Hope it helps.... please mark brainliest
The European countries that colonized Southeast Asia are: British Empire, France, Netherlands, Portugal and Spain. The British colonized most of what is now Burma, Brunei Darussalam, Singapore and Malaysia. The French colonized what is now Vietnam, Laos and Cambodia. The Dutch colonized what is now Indonesia. The Portuguese colonized what is now East Timor. The Spanish colonized what are now the Philippines. The only country that was not colonized in this region was Siam, what is now Thailand.
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.