C it is C because a geno type is the genetic material that predicts what that feature will look like. A phenotype is how that genotype made you look on the outside.
In chemistry the need for standards when measuring quantities are in place for accurate measurement that is recognized world wide. This way, no matter what language people use, they will always understand there standards.
Answer:
D. Mitochondria
Explanation:
The mitochondria, labeled the powerhouse of the cell, are the organelle responsible for energy production within the cell
