E=mc squared means energy equals mass times the speed of light squared, on the most basic level, the equation says that energy and mass (matter) are interchangeable. they are different forms of the same thing.
I am pretty sure the the answer is A
Answer by YourHope:
Hi! :)
Choose the word or phrase that best matches the underlined word
The fashion show for celebrity impersonators was an (ostentatious) presentation
A. showy!
:)
Answer:
I think it's because when you're laughing, you're happier because something made you smile while if you were just talking you wouldn't be as joyful.
Explanation:
