Answer: Hello! Here your answer.......
Abiotic factors are the non-living parts of the environment that can often have a major influence on living organisms. Abiotic factors include water, sunlight, oxygen, soil and temperature. Water (H2O) is a very important abiotic factor – it is often said that “water is life.” All living organisms need water.
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The independent (or manipulated)variable is something that the experimenter purposely changes or varies over the course of the investigation. The dependent (orresponding) variable is the one that is observed and likely changes in response to the independentvariable.
Mean # of stomata per. grid is 4.5.
Mean number of stomata per 1mm^2 is 45000.
I'm sorry please I don't know the last one
Opposable thumb's, primates
Answer:
you run the risk of crushing the objective lens onto the slides.