Which are true about changes in carbon dioxide in the Earth's atmosphere since 1860? Select the two correct answers. (1 point)
The increases in carbon dioxide can be explained by the Milankovitch cycle.
The increases in carbon dioxide are caused by human activity
The changes are triggered by a new interglacial period
The rate of change in carbon dioxide is exponential.
The increases in carbon dioxide are caused by human activity
The rate of change in carbon dioxide is exponential.