Hydrogen has been around since atoms first formed in the residue of the Big Bang, and is the most abundant element by far. Despite billions of years of countless stars fusing hydrogen into helium it still makes up 75 per cent of the detectable content of the universe.
Earth's Energy Balance extended definition. Earth's Energy balance describes how the incoming energy from the sun is used and returned to space. If incoming and outgoing energy are in balance, the earth's temperature remains constant. Earth's Energy Balance why do i care both.
In this lesson we discussed the definition of ecological balance and how it is important for the entire ecosystem. Ecological balance is a term describing how ecosystems are organized in a state of stability where species coexist with other species and with their environment. Ecosystems are not without change however.