the way we apply science to daily life to meet our needs or solve problems
A. technology
B. efficiency
C. conservation

Random Topics:
ComparisionGrammar: SyntaxSimple and Progressive Verb TensesAdjectives & PrepositionsDegree of ComparisonGrammar - Collective NounsNoun, Verb, AdjectiveAdverbial Clauses of Reason / CausePast TenseModalsOther quiz:
Modals Auxiliary › ViewJamil: I played football the whole day yesterday, and now I fail in the exam.
Ahmad: You ……….. harder.
A. should study
B. must study
C. would rather study
D. used to study
E. should have studied
Passive Voice › View
Levi Strauss invented the blue jeans.
A. The blue jeans was invented by Levy Strauss.
B. The blue jeans were invented by Levy Strauss.
C. The blue jeans are invented by Levy Strauss.
Grammar › ViewKhurt: “I was writing a letter yesterday.”
A. Khurt said that he had been writing a letter before that day.
B. Khurt said that he was writing a letter the day before.
C. Khurt said that he had written a letter before that day.
D. Khurt said that he wrote a letter the day before.
Grammar › View
I have sent you a lot of letters but you have never been…………………
A. response
B. respond
C. responsive
D. responsively
