Earth day question

how earth day celebration began

what is the United Nations role of earth day(including what occurred in 2016 of earth day)

how is earth day celebrated around the world

You can used the link: un. org- International mother earth to help you answer the three questions

The supreme court serves what important function in the u.s. federalgovernment?

How was the storming of the bastille important to the french revolutiona) it forced the king to accept the people's demands for justice. b) it marked the official beginning of the french revolution. c) it compelled the government to treat people with respect.d) it exposed the french soldier's lazy attitudes and weak skills.e) it symbolized the constitutional monarchy.

What role and side did italy fight on during world war 1? why did they change sides? write this in your own words.