Biology, 17.10.2020 22:01 12345678954
When changing from a low power magnification of 100x to a high power of 1000x, by what fraction will the field of view change?
Answers: 3
Biology, 22.06.2019 07:00
According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?
Answers: 2
Biology, 22.06.2019 09:00
Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land
Answers: 3
When changing from a low power magnification of 100x to a high power of 1000x, by
what fraction wil...
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