Hello,
The answer is for sure <span>A. O horizon</span>.Positive.
Hope this helps
The substance is colder than it was because when particles move very quickly its either how or boiling so if its slow its cold and if it freezed the particles are well frozen
C) a system is a set of parts that function together as a whole
To protect our eyes from moisture and light. Example: from sweat. It can also reduce the amount of light that gets in your eyes and keep dirt away from them too.
