a student researhcer is intersted in fidning out of th protion of returned missioanres that dress up for devitonal is differnt than priton of non truend misisoanres that dress up for devitoanl what type of test is best suited for this hypohtesis

An object weighs 40n in air , weighs 20n when submerged jn water and 30n submerged in a liquid of unknown density .what is the density of the liquid?

Situation #2: imagine that you are a newspaper editor in columbus, oh in 1863. the civil war has been dragging on for more than two years already and shows no signs of ending soon. you are aware that many black males are willing to enlist in the union army but you fear that they may be mistreated and abused by the majority of soldiers on either side in this war. write a one-page letter (double spaced) editorial for tomorrow's edition of the newspaper. the topic is military service in the union army by free african american males. in your editorial, take a clear position for or against having black men join the fight. be sure to give reasons for whatever position you choose to take.

What problem does obeng say that we have in the 21st century? 2. obeng argues that the pace of change has eclipsed the pace of learning. do you agree or disagree? why? 3. what is "smart failure" according to obeng?