C) a system is a set of parts that function together as a whole
Necessary because it keeps heat in and keeps the planet at the right temperature for life.
It can harm the planet if more pollution occurs and the greenhouse gas effect traps too much heat and causes global warming
Sea Floor Magnetism, Fossil Evidence, <span>Distribution of volcanoes and earthquakes on the globe </span>and Continental drift.
<h2>Hey there! </h2>
<h2>The correct option is:</h2>
<h3>B. Evaporation </h3>
<h2>Explanation:</h2>
<h3>Because the molecules inside the jar are moving upwards, which shows Evaporation. </h3>
<h2>Hope it help you </h2>
Answer:
Convection drives the circulation of air in the earth’s atmosphere. The sun heats the air near the earth’s equator, which becomes less dense and rises upward. As it rises, it cools and becomes less dense than the air around it, spreading out and descending toward the equator again.
Explanation: