Design a process for separating a mixture of salt, iron filings, and sand

Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.

How have the greenhouse gasses increased from the year 2000 to 2018

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)