Answer:

1. Verb They gave money in order to aid the cause. She aided them in their efforts. He jumped into the water to aid the drowning child. a home run that was aided by the wind She aided the government in the attempt to fight illiteracy.
2. The four most common alcohols, which are also the simplest, are methanol (CH3OH), ethanol(C2H5OH), propanol (C3H7OH) and butanol (C4H9OH). ... If the hydroxyl (-OH) group is attached to a methane backbone, the compound is called methanol or methyl alcohol. If the backbone is butane, the alcohol formed is butanol.