Q: James lives out on the country, He wants to gather some water from a well out from behind his house. When he gets there he realizes that the wheel on the lever that pulls up the bucket is rusted which adds more friction. He decides to oil the wheel to reduce the friction. Will the input force required to get the lever James is using increase or decrease when he oils it?
A: decrease

Q: Greg is a doctor with the city hospital. Today, he is seeing two patients, patient A and patient B. Patient A maintains a high-fat diet, but patient B does not maintain a high fat diet. Greg is advising the patients how lifestyle change can improve their health. Which patient would have more lipid in the blood, patient A or patient B?
A: patient A

Q: Twenty first century is seeing an explosion of artificial island building. Many countries are building islands in the middle of seas and oceans, which they often use for tourism or for defensive purposes. For example, UAE had build several islands in the Persian Gulf. To build those islands they had to ask Oman and Qatar to export sand to them. Qatar declined to export sand, but Oman agreed. Oman in turn had to mine huge quantity of sand in their own country. Which country would most likely remove their coastal barriers, Qatar or Oman?
A: Oman

Q: Barb and Jill practiced small scale farming. Jill farmed the conventional way, while barb used the no-tillage method. Which farmer had soil which may delay planting to less ideal dates?
A:
Barb