How does light intensivity affect visual clarity in a microscope?

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Which of the following is an example of a tissue on the digestive system a. the stomach b. smooth muscle that lines the stomach c. nerve cells in the stomach d. enzyme molecules in the stomach

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?

Which individual below would be considered heterozygous? a. dd b. dd c. dd