Compare and contrast viruses and bacteria. Place the following words/phrases where they belong.

Curable, Not Curable, Vaccine, No Vaccine, Antibiotics are useful, Antibiotics are not useful, Is an organism, Is not an organism, Harmful to humans, Not harmful to humans, Deadly, not deadly

Virus: Vaccine, Antibiotics are not useful, Is not an organism

Both: Curable, Harmful to humans, Deadly

Bacteria: No vaccine, Antibiotics are useful, Is an organism

answer; i believe the correct answer to the above question is ( friction)

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.