B
Hope this helps you pass your test.
Answer:
The auto thermostat setting helps keep your home at a comfortable temperature no matter what the temperature does outside. First, it’ll switch your system from heating to cooling on its own. You only pick two set points. One that is the warmest you want your home to be, and one the coolest you want your home to be.
When is reaches the outside of the volcano
<span>El Nino
</span>A change in the water temperature of the eastern Pacific Ocean that produces cooler than usual surface water temperatures. An unusually long period during which rainfall is below average. Used by NOAA to collect data to predict an El Nino<span>.</span>
