White House. Washington, D.C. White House, formerly known as the Executive Mansion (1810â1902), the official office and residence of the president of the United States at 1600 Pennsylvania Avenue N.W. in Washington, D.C. The White House and its landscaped grounds occupy 18 acres (7.2 hectares).
Quick Answer. Ecological balance is a theory stipulating that natural conditions, including numbers of various animal and plant species, remain stable on their own through variations over time.
God made it so that plants give off oxygen when they are making up energy to grow and we as humans, breathe out CO2 in the process of producing energy so we on a whole scale can keep the filtration of air flowing for all living organisms to use. Source(s): poetexcellence Â· 6 years ago.Thumbs up.est Answer: What a balanced ecosystem essentially does is filtrate our air supply for all living organisms.