Answer:
Don't forget to close any parentheses you open. Other then that everything looks fine, I just polished it a little bit
Explanation:
name = input("What is your first name? ")
print("Hello", name)
age = int(input("How old are you? "))
print("In 10 years you will be", (age+10))
print("In 20 years you will be", (age+20))
print("5 years ago you were", (age-5))
Answer: File History
Explanation: File history is the history that gets created in the form of back-up that keeps the record of the stored files. It is used in protecting the files that is present on the system like desktop, libraries,etc.
It creates the duplicate records in the storage for any future use and it can also be restored easily.File history also facilitates with feature of deleting the unnecessary history afterward when the user wants.
Answer:
Sort dialog box
Explanation:
Sort dialogue box is used to sort data in Excel.
The add level Adds another row to the dialog box so additional columns can be sorted while the delete level removes any unwanted level. How to access it: Press the down arrow beside the sort order tab. Tap the button "The Largest to Smallest". Tap the Add level button.
Out door air pollution has been a problem since ancient Romans...but the industrial revouloution was when outdoor air pollution increased and it a significant problem...
hope this helps
