Answer:
level 1 and level 3 format of headings explained.
Explanation:
According to the style guide of the publication manual of the American Psychological Association also known as APA style, headings identify the content within sections of a paper. They are used to simplify navigation through a document.
There are of 5 levels of heading in the APA style and level 1 is the main and highest level while all other levels are sub-levels of the previous levels.
format of levels 1 and 3
Level 1 format should be centered, bold, have a title case heading and the text should begin as a new paragraph.
level 3 format on the other hand should flush left, use bold italics, have a title case heading and its text should begin a new paragraph as well.
Engergy, pressure, temperature
Second, the greater the mass of an object, the stronger the force of gravity. Themoon<span> is 1/4 the size of </span>Earth<span>, so the </span>moon's gravity<span> is much </span>less than the earth's gravity<span>, 83.3% (or 5/6) </span>less<span> to be exact. Finally, "weight" is a measure of the gravitational pull between two objects.</span>