How many protons and electrons does an ion of s2- have?

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.

Nonpoint source pollution is difficult to control because it

Is 9 correct? and can someone me with 10? it’s due tomorrow, you