Answer:
Eleanor of Aquataine was among the most powerful women of the 12th century. She controlled an extensive estate, became queen of France and then England, and gave birth to one of England's most famed rulers, Richard the Lionheart.
Sorry don't know hope someone can help you find the answer you're looking for
You can use easybib.com or citationmachine.com. I'd do it for you, but I'm unsure of the website name you're referring to. But there's plenty of sites that you plug the link into, select APA and they'll do it for you. All you have to do is copy and paste. I hope this helps.
Answer:
Because oil need to penetrate very small niches inside engine. But size of these niches varies between different engines. Viscosity needs to be low enough to penetrate niche (not to stop at the edge) but high enough to stay inside and lubricate instead of just going through without much effect.
