Different periods of the geologic time scale are different in length. Why?

Plz asap can someone find the answer or the mark scheme or anything plzzz you : ) ‘it's perfectly understandable that hundreds of millions of people around the world live close to volcanoes’ use evidence to support this statement. (6 marks)

Aconcentração de chuvas no verão dessa região ajuda a explicar as enchentes, mas há outros fatores que contribuem para isso. aponte pelo menos dois desses fatores.

We hold these truths to be self-evident, that all men are created equal, that they are endowed by their creator with certain unalienable rights, that among these are life, liberty and the pursuit of happiness." —declaration of independence how does this quote from the declaration of independence explain the idea of natural rights?