If a person perceives that he has some control over his environment, he most likely will handle stress: a. poorly
b. by retreating from the stress
c. the same as everyone else
d. better than if he doesn't feel in control

Unpolarized light falls on two polarizer sheets whose transmission axes are at right angles. a third polarizer is placed between the first two so that its axis makes a 52-degree angle with the axis of the first polarizer. a) what fraction of the incident light intensity is transmitted through the first polaroid? b) what fraction of the incident light intensity is transmitted through the second polaroid? c) what is the angle of polarization of the light that enters the third polaroid? d) what fraction of the incident light intensity is transmitted through the third polaroid. e) what happens if the middle polaroid is removed?

Convection currents are caused by differences in what two things?

Asimple electrochemical cell contains two electrodes? t or f