calcium and phosphorus
Fatty substances in the nerve tissues of the brain. The quick break down and construction of them in early childhood is necessary for proper brain development.
Oxygen is crucial for some chemical reactions, which take place in our bodies and which generate substances necessary for proper body function. In order to survive we need energy. We get energy from sugar and fat and in order to get it we need oxygen as chemical reaction generating such energy rich substances require oxygen.
Congress, "Necessary and proper" is straight for the Constitution.
A good administration is necessary in order to bring about development in cities or villages because without a good administration, things would not get done in the proper ways. A good administration can make all the difference when creating, or changing an area.
The necessary and proper clause (I think don't quote me-)
Another name for the Elastic Clause is the Necessary and Proper Clause.
They should do both. Fresh air and exercise are essential to proper development, but doing homework is necessary as well.
Iodine
Iodine.
Proper daily care is necessary for balanced, manageable, healthy hair all of the time.
The Necessary and Proper Clause is also known as the Elastic Clause the Sweeping Clause. It is a clause in the first Article of the US Constitution. It states that the Congress will have the power to make Laws that shall be necessary and proper in relation to execution of the power.
It is a necessary but insufficient condition, i.e. better transportation would help Sahel countries proper from the mineral resources as long as other elements are in play, such as stable governments, good diplomacy, better telecommunications, etc.