As our current atmosphere formed, the concentrations of various atmospheric gases fluctuated. match each gas with the explanation that best describes how its proportion changed during the evolution of the atmosphere.

What is the natural environment? the story of the interaction of people forming societies, cultures, and civilizationsan increase in the world’s temperaturethe process by which social institutions are adopted on a global scalethe natural world in which people, plants, and animals live

1. georgia constitution is adopted 2. radical reconstruction ends in georgia 3. atlanta becomes the official state capital 4. jefferson franklin long becomes the 1st black congressman from georgia what is the correct sequence of events? a) 1, 3, 2, 4 b) 1, 2, 3, 4 c) 3, 1, 4, 2 d) 4, 2, 3, 1

Which statement best completes the diagram of the ways the different branches of government can limit each other's powers?