Which telecommunication device is ideal for communication during natural disasters when regular telecommunication modes might not be functional?

fax machine
personal digital assistant
satphone
smartphone

Write a program that prompts the user to input a string. the program then uses the function substr to remove all the vowels from the string. for example, if str = "there", then after removing all the vowels, str = "thr". after removing all the vowels, output the string. your program must contain a function to remove all the vowels and a function to determine whether a character is a vowel.

How do i delete my account on this because i didn't read this agreements and also i put age at xd

Explain how email technologies enable the exchange of messages between users. find out the typical parts of an email address and explain each part.