Answer:
I am sure the answer is A
Explanation:
As you can see from the graph, the first time they pumped air, the numbers were 6, 1.2, and 2. Once they start pumping the numbers decrease. Therefore, I think the answer is A. It went to 5.7, 4, and 2 from 6, 1.2, and 2.1.
I would say A because it was talking about something in the present but what they were talking about was in past. so I would think A
Answer:
beacon frame
Explanation:
Beacon frame is a management frame In computer networks, known to be in IEEE 802.11 based WLANs. These frames are transmitted periodically and they contain all the information a station will require before it can rightly transmit a frame.
When it comes to announcing the presence of devices in a wireless computer network (WLAN), Beacon frames are used, and they can also be used in the synchronization of the devices and services
Being able to communicate directly with constituents.
ability to build situational awareness speed in which information can be delivered directly to the public
Answer:
Data manipulation languages are used for the retrieval of the,insertion,deletion and modification of data.
Explanation:
Data Manipulation Languages(DML) are used to insert,delete,update,modify the data in the database.
The commands used to do these operations are as following:-
INSERT INTO :-This command is used to insert values in the database.
DELETE:-It is used to delete existing records from the table.
UPDATE:- It is used to modify the records in the table.
SELECT:- It is used to select data from database.