An invalid argument with one true premise, one false premise, and a true conclusion.

Ahypothesis is? close agreement by competent observers of observations of the same phenomena. a guess that has been tested over and over again and always found to be true. an educated guess that has yet to be proven by experiment. the long side of a right triangle. a synthesis of a large collection of information that includes guesses.

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?