Oxygen keeps a plant s roots healthy and allows the plant to take up nutrient. Oxygen is the key to growth rate. Without oxygen around the roots, the roots will rot and die. You cannot grow in water, unless you dissolve oxygen in it.
The term federalism is also used to describe a system of government in which sovereignty is constitutionally divided between a central governing authority and constituent political units (such as states or provinces).ederalism is a system based upon democratic rules and institutions in which the power to govern is shared between national and provincial/state governments, creating what is often called a federation.
Separation of powers is the separation of branches under the constitution by the legislative, judicial, and executive branches of government. Federalism is a government system that includes the national government, which shares sovereign powers with fifty state governments.