Which of the statements explains how an oxygen-rich atmosphere became possible on earth?

Which of the following areas have the highest population density? a) quebecb) united statesc) californiad) new york city

Aempty box is shaped like a rectangular prism the box has a base area of 9/10 square foot and a height of one-third foot how much packaging material is required to fill the box is it

Actions being undertake to address climate change in western europe include?