Which best describes the changes occurring to the earth's surface over time? 1.) Mountains are gradually being worn down, but no new ones are formed

2.) New mountains are being formed as old mountains are gradually worn down

3.) More mountains are gradually formed as the oceans recede.

4.) New mountains are only formed under the oceans.

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.

According to le chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress. normalizes the stress. increases the stress. changes the stress.

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate