Biotic Factors are any living components that affect other organisms, and since soil is not alive (soil is an abiotic factor) then you can eliminate A., B., and C. D is the answer choice that has only biotic examples.
Answer:
A lysis buffer is a buffer solution used for the purpose of breaking open cells for use in molecular biology experiments that analyze the labile macromolecules of the cells (e.g. western blot for protein, or for DNA extraction).
Explanation:
Answer:
To compensate for the natural visual distortion in which tall columns appear to bend inward, the Greeks gave them a slight bulge, which is known as:
entasis
Explanation: