effective agents effective aid effective air effective also effective alternative effective alternatives effective altruism effective amount effective analysis effective and accountable effective and affordable effective and appropriate effective and comprehensive effective and cost-efficient effective and economical effective and efficient effective and efficient management effective and efficient use effective and efficient way effective and equitable effective and fair effective and fast effective and independent effective and innovative effective and meaningful effective and more effective and popular effective and powerful effective and productive effective and professional effective and proportionate effective and proven effective and reliable effective and responsive effective and safe effective and simple effective and successful effective and sustainable effective and targeted effective and timely effective and transparent effective and useful effective and very effective annual effective answer effective antibacterial effective antibiotic effective antibiotics effective antidote effective antimicrobial effective application effective approach effective approaches effective april effective area effective arms effective as of the date effective as possible effective as soon effective as well effective assessment effective asset effective assistance effective at helping effective at improving effective at killing effective at preventing effective at reducing effective at removing effective at the end effective at treating effective august effective average effective banking effective barrier effective benefits effective birth control effective blood effective board effective border effective brand effective budget effective business effective campaign effective campaigns effective can effective cancer effective capacity effective care effective case effective catalyst effective change effective channel effective channels effective chemical effective choice effective cleaning effective climate effective collaboration