The polar ice caps are melting a bit due to the greenhouse effect . Just and only can modify a noun and should be placed before the noun, but in modern English are usually placed before the verb with the accent of the sentence falling on the relative noun. Plechroic minerals only absorb different wavelengths in different directions . This structure does not normally change the meaning of the sentence, but may do so in certain cases. A bit, a little, a lot, any, much, no and rather can modify a comparative adjective or adverb.
Iron meteorites are much more frequently found than stony ones .
101.6 Adverbs of Certainty These adverbs express the attitude of the speaker. When placed at the beginning of the sentence they are not followed by a comma, instead when placed at the end of the sentence they are preceded by a comma and pronounced parenthetically. The search for economically viable ore concentrations is actually extremely difficult. Fortunately the modern geological prospector has a range of geochemical and geophysical tools to facilitate the search for such deposits. In fact , a strictly geological approach will probably miss many hidden deposits, unfortunately .