Your Answer Is More Than Likely 27.50A
Answer is C: Hazard Communication
Hazard Communication Hazard (HCS 2012) provides a coherent and standardized approach to communicating the hazards of chemicals by way of Safety Data Sheets (SDSs) and labels on containers. However, Occupational Safety and Health Administration (OSHA) revised its HCS 2012. In it, they revised criteria for classification of chemical hazards, labeling provisions, hazard statements, and precautionary statements. In addition, modifications were made to health standards substances to ensure requirements for labels and SDSs are consistent with the HCS 2012. According to OSHA’S standards, SDSs should periodically be reviewed and updated.
Answer:
B.O(n).
Explanation:
Since the time complexity of visiting a node is O(1) in iterative implementation.So the time complexity of visiting every single node in binary tree is O(n).We can use level order traversal of a binary tree using a queue.Which can visit every node in O(n) time.Level order traversal do it in a single loop without doing any extra traversal.
Answer:
It is the user tier of the 3-tier architecture that consists of computers, phones, and other mobile devices that have browsers that request and process web pages.
Explanation:
Almost if not all applications that use e-commerce for operations use the 3-tier architecture. 3-tier architecture is simply the arrangement of server tier which consists of all computers that run a web server and a database tier that consists of computers that run a DBMS to store and retrieve data. We also have the user data that consists of computers, phones, and other mobile devices that have browsers that request and process web pages.
When you make a request, for instance to Google in your local browser, the browser sends a request to the internet. This initial interaction between the user and the internet is what is known as the user tier of the 3 tier architecture. Basically, it is the phase where end users access content online through graphical interface browsers and make requests to the web servers and DBMS.
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