The DVD experiment worked to prove that spontaneous generation: A. Can cause bacterial growth.
B. occurs when using peptide a mixture.
C. does not cause bacterial growth.
D. Cannot occur when an auto clave is used.

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.

b is the correct answer