Answer:
<h2>
Analytical Engine</h2>
Explanation:
Analytical Engine, generally considered the first computer, designed and partly built by the English inventor Charles Babbage in the 19th century (he worked on it until his death in 1871).
C: a different atomic mass
The header is not a main part of the email.
Answer:
Costume Change?
Explanation:
You might not have enough time to complete the costume and it may look a little sloppy. Also, if you are in a play, everyone must be notified of the change.
