Obama was the former president of the United States Of America (USA)
I think the answer is A.
But I also think it could be D.
If I were to pick, probably A.
Answer:
Cybersecurity is the protection of all internet systems against harmful attacks on the internet.
Explanation:
- Cybersecurity is the protection of computers and systems including networks from information disclosure, theft and damage. Refers to the hardware, software and data as well as disruption of services. It relates to the wireless networking standards.
Answer:
Because they want to counterback the bullying by society
Answer:
Submarines can release sound waves. These sound waves will hit the bottom of the ocean and be reflected back to the submarine as echoes. The submarine can use these echoes to tell how far it is from the bottom of the ocean.