•Disposal of radioactive waste is easy & poselittle risks to the environment.
D) <span>a large assortment of plant dispersal mechanisms.
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False. The milky way galaxy was first decided to be a barred spiral galaxy as opposed to being a spiral galaxy in the 1960's.
Answer: Septum: Prevents oxygen rich blood mixing with oxygen poor blood in the heart.
Valves: Prevent backflow.
Explanation:
