Answer:
Blood taken from an artery in the leg is oxygenated while blood taken from a vein in the leg is deoxygenated.
Antibiotic resistance occurs when bacteria change in some way that reduces or eliminates the effectiveness of drugs, chemicals, or other agents designed to cure or prevent infections. The bacteria survive and continue to multiply causing more harm. Bacteria can do this through several mechanisms. (By google)
You should actually choose any 3 activities then I will determine it for you