Answer: str[0].toUpperCase();
Explanation:
str[0] is pointing to the first character of the entire string and the code str[0].toUpperCase() will convert the characters to upper case if they are in lowercase and will remain unchanged if they are already in upper case.
#1 is D #2 is B #3 is A #4 is D #5 is B
Answer:
You could add pictures to help convey the viewer, while capturing their attention. It will provide great interest as well.
Explanation:
Me being a viewer, I love to see pictures. They help explain the topic, while keeping my attention.
B. Sound.
Explanation - instruments create sound waves