Which is not a chemical element needed to build sugars?

most community's take hundreds of years to become stable

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

you click your profile picture in the top right corner and it says edit profile.