Natalie is a crime scene photographer. One of the first things she does when she begins to work a crime scene is to set her camera on wide-angle and take several shots of the scene from different vantage points. The kind of photos Natalie is collecting are called overview photographs
intermediate photographs
close-up photographs
scale photographs

Moon effect. some people believe that the moon controls their activities. if the moon moves from being directly on the opposite side of earth from you to being directly overhead, by what percentage does (a) the moon's gravitational pull on you increase and (b) your weight (as measured on a scale) decrease? assume that the earth–moon (center-to-center) distance is 3.82 × 10^8 m, earth's radius is 6.37 × 10^6 m, moon's mass is 7.36 × 10^22 kg, and earth's mass is 5.98 × 10^24 kg.

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.