What is necessary to conclude that one variable is the cause…

What is necessary to conclude that one variable is the cause of change in another variable? independent manipulation and randomization dependent manipulation and randomization                       high correlation and quasi-randomization low correlation and quasi-randomization

Functional and scientific literacy are important in society….

Functional and scientific literacy are important in society. What is functional and scientific literacy? comprehend and present information in a logical way communicate clearly and to the point critically evaluate information none of the answers                   all of the answers