You'll need two letters from teachers of opposing subjects.
These shells are subject to two opposing internal stresses: compression due to the primary's gravity, and tension from atmospheric pressure contained inside.
We first have to realize that from two opposing judgements with respect to the same subject matter, one will be true and the other one false.
This is achieved by subjecting them to two opposing forces: an outward-directed centrifugal force and an inward-directed flow of the suspension fluid.
Since, at each trial it was the pushing subject that decided to start action, while the opposing one waited for her couplemate's decision, following the metaphors of the game theory we attribute the role of leader to the pushing subject and the role of follower to the opposing subject.
Strikingly, both of the T. cruzi maxicircles contain frameshifts in areas not usually subject to RNA editing, with Esmeraldo carrying a substantial deletion encompassing the 5' end of two opposing genes.
Human subjects were instructed to guide a cursor to targets while grasping a robotic manipulandum, which applied two opposing velocity-dependent curl fields to the hand.
People routinely struggle with two opposing emotions.
These operate by balancing two opposing forces.
There are two opposing sides with two opposing plans.
