Answer:
Call
Explanation:
The calling app is the best because it lets you call people. In case your in danger, you can use this built in app and use it to call somebody for safety.
Hope this helped!
Explanation:
the purpose of an invention strategy is to create or innovate something new and unique which will be beneficiary to the nation at large
Answer:
working hard
Explanation:
Firefighters are constantly <u>working hard</u> in new fighting techniques.
Answer:
This is an amazing start to an essay but make sure to add proper grammatical punctuation and such. I recommend using grammarly to help you.