A good way to avoid bias when collecting samples is to ___. a. collect a small sample number
b. use many different types of variables
c. use three different types of variables
d. collect a large sample number

D. Collect a large sample number

Explanation:

With a larger sample number, that means that more people participated and gave the correct answer. If you constantly change the variable, the answer may always be the same but because of the variable you changed.

a adaptation is when organism changes itself to fit the environment

ex. when its cold outside i wear a jacket

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micro/nanoscale topography surface exhibits many prominent properties and is extensively employed in biomedical device, microfluidic device and energy device fabrication. additionally, the clinical applications of biomaterials can be largely expanded with of nanostructured surfaces.