Which element is most important for adding strength to hair, feathers, and outer skin? oxygen hydrogen sulfur phosphorus

this answer would be sulphur

So your saying the answer is Sulfur answer choice C.

interphase   is the cell cycle stage in which the cell acquires nutrients, creates and uses proteins and other molecules and starts the process of cell division by replicating the dna. it is the longest stage in the eukaryote cell cycle.

the following   can go wrong during interphase:   a base pair could be mismatched during the duplication process causing a mutation.   correct answer: c

explanation:

there really is life in the deepest part