Why do non-metals look dull? a. they are not malleable. b. they are not ductile. c. they lack luster.

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.

your answer would be a, maximum exploitation of resources.