The diaphragm and intercostal muscles. These are the core muscles. I hope that helps.
<span>The Antarctic Circle has 24 hours of daylight around the summer solstice. In the southern hemisphere this would be around December 21.
When energy is transferred to air the particles of air move faster. Adding energy to molecules makes them move faster and air is no exception.</span>
Answer:
Since rain naturally has things dissolved in it, it will always be slightly acidic. However, when rain reacts with certain air pollutants, such as sulfur or nitrogen oxides, the water vapor converts into very diluted forms of sulfuric or nitric acids.
Explanation:
Since rain naturally has things dissolved in it, it will always be slightly acidic. However, when rain reacts with certain air pollutants, such as sulfur or nitrogen oxides, the water vapor converts into very diluted forms of sulfuric or nitric acids.
I would say, C. Because an controlled variable is an experimental element which is constant and unchanged throughout the course of the investigation.
