Elements and the 'Big Bang' theory. During the formation of the universe some 14 billion years ago in the so-called 'Big Bang', only the lightest elements were formed –hydrogen<span> and </span>helium<span> along with trace amounts of </span>lithium<span> and</span>beryllium<span>.</span>
The possible disadvantage of using the graphic in “On-line Programs to Train Your Brain is: Because the graphic looks “child-like” readers may not take the author seriously.
<h3>What is the disadvantage of online programs?</h3>
Now, online programs used in training our brain doesn't take anything seriously because for example, during online classes, a lot of students are not as serious as they would have been physically which makes them to loose their marks and that's all caused by our brain cause we think we can learn it later and we don't but instead just ignore it.
Thus, the possible disadvantage will be that the graphic looks “child-like” readers may not take the author seriously.
Read more about disadvantage of online programs at; brainly.com/question/22317416
Answer: 9,000
Explanation: 24 divided by 4 = 6 x 15 = 90 which is 9,000