Which formed first: hydrogen nuclei or hydrogen atoms? Explain the sequence of events that led to each.

Instructions
Research each of the following three topics and submit your answers in a document in .docx (Word) or PDF format:

Which formed first: hydrogen nuclei or hydrogen atoms? Explain the sequence of events that led to each.
Astronomers have found that there is more helium in the universe than stars could have made in the 13.8 billion years that the universe has been in existence. How does the Big Bang scenario solve this problem?
Describe the evidence that the expansion of the universe is accelerating.
Rubric – Q1 and Q2 33 pts each; Q3 34 pts

Additional Instructions-

Your submission should use 12-point font and be double spaced.
Outside research and use of academic sources are expected to fully address each topic/question.
The intended audience for your responses are people familiar with the subject matter, but not experts.
A reasonable amount of jargon can be used and detailed explanations on the topics are expected.
Answers should be in complete sentences and fully explain your thought process and/or step through your conclusions.
The full length of the submission should be around two pages, however, each question should be fully addressed so additional pages may be needed.
Figures, graphics, or other additions that add to your responses are strongly encouraged.
These figures, etc. need to be incorporated into your answer (i.e. called out) and have a proper APA citation and reference.
Include a list of all sources you used for your answers in a reference list included with the assignment. The citations and reference list need to be in APA format.

Last Completed Projects