Leigh is interested in looking at how caloric intake affects performance. she conducts a study in which participants drink a cup of water before completing a task, then eat small meal before completing the task again. based on her study design, which of the following should she be concerned about?

How does sociology account for the cause of drug and alcohol addiction?

Voters commonly condemn politicians for being insincere, but politicians often must disguise their true feelings when they make public statements. if they expressed their honest views—about, say, their party's policies—then achieving politically necessary compromises would be much more difficult. clearly, the very insincerity that people decry shows that our government is functioning well. which of the following, if true, most seriously undermines this reasoning? (a) achieving political compromises is not all that is necessary for the proper functioning of a government. (b) some political compromises are not in the best long-term interest of the government. (c) voters often judge politicians by criteria other than the sincerity with which they express their views. (d) a political party's policies could turn out to be detrimental to the functioning of a government. (e) some of the public statements made by politicians about their party's policies could in fact be sincere.

Which chinese invention is used to measur the strength of earthquakeswhich chinese invention is used to measure the strength of earthquakes