Answer:
Tobacco weakens the immune system.
Explanation:
Answer:
B. constant practice and lots of patience
Explanation:
Answer: weed
Explanation: hope this helps!
a positron emission tomography (PET) scan is an imaging test that allows your doctor to check for diseases in your body. The scan uses a special dye containing radioactive tracers. These tracers are either swallowed, inhaled, or injected into a vein in your arm depending on what part of the body is being examined
