Some of the required elements required by the human body include oxygen, and trace minerals such as; iron, potassium, magnesium, calcium, and many others.
chromium
No, micro elements are typically smaller in size compared to macro elements. Micro elements are essential nutrients that are required by plants in smaller quantities, such as iron, zinc, and manganese. Macro elements, on the other hand, are required in larger amounts and include nutrients like nitrogen, phosphorus, and potassium.
The vassals required to give their king land. They could also give the king food, water and a sword.
Who, what, when, where, how.
Technically, any elements less massive than iron can fuse together; however, practically it is easier to fuse the lightest elements (Hydrogen, Helium...), which also give higher energy yields. Any elements which are heavier than iron (or are iron) will not fuse, and instead decay via nuclear fission.
Radioactive elements.
I believe you are asking "what are the five elements". The five elements are wood, fire, earth, metal, and water.
Calcium phosphorus
give the total subset of set with 9 elements
The government is required to give you money in return.
The main elements required in the body of a document or text include the introduction (setting the context), supporting information (facts, evidence), analysis or discussion of the topic, and a conclusion (summarizing key points, highlighting significance).
Air, water, and light.