On his own time, D.J. looks over his course syllabi for the term and realizes that, in three weeks, he has three assignments due
on one day. D.J. decides he will do one assignment per week for the next three weeks so that he will have them all done by their due dates. D.J. is demonstrating _____ thinking. A. preoperational
B. concrete operational
C. formal operational
D. postformal
In Maglev, superconducting magnets suspend a train car above a U-shaped concrete guideway. Like ordinary magnets, these magnets repel one another when matching poles face each other. ... Here, both magnetic attraction and repulsion are used to move the train car along the guideway give brainliest x
