Asap help me, will give Which answer best explains the how new genes are added to the gene pool. Microevolution
Mutations
Morphology
Macroevolution

: mutation

Mutations are changes to an organism's DNA and are an important driver of diversity in populations. Species evolve because of the accumulation of mutations that occur over time. The appearance of new mutations is the most common way to introduce novel genotypic and phenotypic variance.

a compound light microscope is used to magnify objects in steps.  

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answer; synapse; i believe this is correct,plz check first good luck;