Answer:
9yuigyu need points sorry
Explanation:
The answer to the problem is 11.615
manganese The metal that is used as a sacrificial electrode to prevent the rusting of iron is manganese.
Interactions to an organism can be both harmful and beneficial due to the organism's circumstances. For example by adding tadpoles to an eco system it results in the tadpoles eating all the food thus killing the other organisms. Whereas by adding plants to an ecosystem it provides shelter for the organisms and possibly food being beneficial.