Scientists estimate that the composition of Earth’s atmosphere has changed over time. Which of the following most likely caused Earth’s atmosphere to support diverse life-forms?
A: the drift of continents
B: a transfer of gases from the Sun
C: changes in Earth’s magnetic field
D: oxygen-producing organisms

D. oxygen-producing organisms

Explanation:

oxygen is the foundation for life on Earth. Also by process of elimination, drift of continents, gases from the Sun, and changes in magnetic field do not significantly impact supporting diverse life forms.

identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.v