Which one? Hello dear native speaker Which word do you pick for the blank? Fossil analysis shows that at least five periods in the last 600 million years have seen a drastic reduction in the number of species of plants and animals on the Earth. However, on previous occasions such changes were caused by asteroids or dramatic climatic changes. Scientists in general believe that this _____________ is the work of man. The dominance of a single species type, home sapiens, is badly hurting the rest of the living world. With a population of barely six billion, humans arc rapidly destroying irreplaceable ecosystems. This sixth round of global dying of species could be far larger than the first five. 1) factor 2) reduction 3) origin 4) ability

Which one? Hello dear native speakers Which one do you pick and why? Just as a person's body ages at different rate, .... 1) the mind does too 2) so does the mind Thanks in advance

Former?? Hello dear native speakers Is it correct to use the adjective "former" in the following sentence? Is it natural? If you want to know what a pronoun referes to in a paragraph, you should look at sentences nearby especially the forner ones. Besides that, is there anything wrong with the rest?

For or of Hello dear native speakers The passage describes two determining factors and then gives two examples FOR each of them. Is it natural and grammarical to use "for" here? Or should I use "of"?

Grammar Is this sentence well-formed? My favorite thing to do is plunge confident humans like you into despair. To plunge or plunge? Thanks

Is this sentence natural? Hello dear native speakers Is the following sentence natural? It was a very touching moment in the film when the mother became aware of his son's death but still couldn't believe it.

Is it natural? Hello dear native speakers Is it natural to say : without needing words" in the following sentence? Some scientists have suggested that dolphins have a language but it is much more probable that they communicate with each other without needing words.

Which one is correct? Hello dear native speakers Which one do you pick in the following sentence: According to a recent study, the average family size has ........ from 4 to 2 because of a rise in spending in recent years. Decreased Ranged Obviously as the numbers are in descending order and the rest of the sentence shows, decrease is better. But I want to know if I can use ranged here or not? Can I used range in a descending order like this? Thanks