Answer:
A: used by ISP's to filter out email SPAM
C: a way to help an individual focus on best choices when deciding what to watch or buy.
Explanation:
Collaborative filtering uses a community-based approach to filter spam. It works by collecting numerous email users from around the world. By doing this, it becomes possible for users to flag emails that are spam and those that are legitimate.
Also Collaborative Filtering is one of the most efficient techniques for building a system that can help a user when it comes to recommending best choices based on information from a large number of users.
Answer:humans need energy to complete the regular body requirements to digest our food,to breathe,to move,to run,to travel and continue the metabolism of our regular life.
Explanation:energy is essential to life and all living thing organisms.
Answer:
Step 1 - Open the View tab.
Step 2 - Open the Page Setup dialog box
Step 3 - Open the header and footer tool.
Step 4 - Click OK.
Explanation:
In order to access to the header and footer tools
Step 1 - Open the View tab.
Step 2 - Open the Page Setup dialog box
Step 3 - Open the header and footer tool.
Step 4 - Click OK.
