Which is true about the scientific method? It's a series of processes of how scientists discover creativity in the lab.
It's a series of processes which allow someone to make predictions, test, and make conclusions about
a problem
It's the list of safety precautions that all students and scientists must use in the lab.
The scientific method can only be used by certified scientists in a lab setting.

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.

d. planting trees

the trees take in carbon to make oxygen.

im not intirely sure but i think the anwser is d relative humidity