Which best describes an advantage of a video camera over a still camera for photographing a crime scene? a video camera can obtain pictures in real time. a video camera can zoom in on evidence. a video camera can provide special lighting. a video camera can combine voice and visual input.

try A. im torn between A and D but i think it is A

the answer is D

Explanation:

The video camera incorporates sound, movement and three-dimensionality, in real time. It also allows to obtain evidence of the entire crime scene during and after it.

it can be observed without changing the identity of the object.

it depends on what substance you're talking about as well as many other factors. in quantum mechanics, the observation of particles affects the observers ability to measure certain properties. for example: you can know the velocity of a particle, but you can't know it's position; or you can know it's position, but not it's velocity. it's like trying to find out where a grain of sand is by throwing other grains of sand at it. once you find out where it is, it's been moved. it's also like trying to find an answer to the question of whether or not a tree falling in a forest makes a sound if nobody is there to hear it. paradoxically, the only way to find out is to be there and hear it.