Select the correct answer. Which is the bottom-most layer in the OSI model? A application layer
B. physical layer
c. transport layer
D. presentation layer​

Python write an expression that executes the loop body as long as the user enters a non-negative number. note: if the submitted code has an infinite loop, the system will stop running the code after a few seconds and report "program end never reached." the system doesn't print the test case that caused the reported message. sample outputs with inputs: 9 5 2 -1

Three out of five seniors remain undecided about a college major at the end of their senior year.

How to launch an app: steps to be successful? launching an app is a great idea, but it’s not that easy as we supposed to think. the majority of mobile applications don’t generate revenue because companies aren’t ready to be competitive. referring to our experience in successfully building and launching apps we hope to you omit these difficulties. we are going to talk about ideas, marketing, testing your product, its development, distribution and support. you will learn 8 product launch stages to succeed.