What's the means of "falls" in the sentence below. Thanks. If they can each be trusted to take such responsibilities, and to exercise such initiative as falls within their sphere, then administrative overhead will be low.

What's the meaning of "back to the future" in the sentence below? Thank you! technology trends may push silicon valley back to the future

What's the meaning of "very" in the sentence below? Thanks. Alfred had learned many of their ballads in his youth, and could vary his programme with acrobatic tricks and simple conjuring.

What's the meaning of "claim officials in Brussels" in the sentence below? Chickens slaughtered in the United Sates,claim officials in Brussels,are not fit to grace European tables.

What's the meaning of "0.15mm too thin"? Thank you.

What's the meaning of "to mean" in the sentence below? Thanks. I find young people exciting.They have an air of freedom,and they have not a dreary commitment to mean ambitions or love comfort.

What's the meaning of "as" in the sentence below? Such inns as there were were generally dirty and flea - ridden ;

In "it were not for the protection" ,what is "it" refor to? and what's the meaning of "for"? Insects would make it impossible for us to live in the world;they would devour all our crops and kill our flocks and herds,if "it were not for the protection" we get from insect-eating animals.

Could you please tell the meaning of "it were not for the protection" in the sentence below? Thanks Insects would make it impossible for us to live in the world;they would devour all our crops and kill our flocks and herds,if "it were not for the protection" we get from insect-eating animals. In "it were not for the protection" ,what is "it" refor to? and what's the meaning of "for"?