Humans first appeared in the cenozoic era. select the best answer from the choices provided t f

Which of the following statements most accurately describes the requirement for the documentation of minors’ assent to participate in research? parents must approve written documentation.documentation is required unless waived by an irb.to protect minors documentation is always required.federal regulations do not require the documentation of minors’ assent.

What is political freedom? how is it different from economic freedom?

Industrial life changed society in all of the following ways except a. eliminated the need for a poor, working class c. a middle class developed b. women joined the workforce d. society became urbanized