Perception is: O A. creating images through your experiences.
O B. picking up information and relaying it to the brain.
O C. the ability to work top down or bottom up.
O D. organizing and interpreting sensory input.

answer by yourhope:

answer is

human impact on the environment can be seen in the deterioration of the !

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measuring light intensity

light meters can be used to measure light intensity. the meter is held at the soil surface and pointed in the direction of the maximum light intensity, and then the meter is read.

errors can be made when measuring light intensity by accidentally shading the light meter. the reliability of the results can be checked by taking many samples.