Answer:
A vaccine (or immunization) is a way to build your body's natural immunity to a disease before you get sick. This keeps you from getting and spreading the disease. For most vaccines, a weakened form of the disease germ is injected into your body.
Explanation:
<span>Science fiction is sometimes divided into "hard" and "soft" science fiction.</span>
Answer:
1. Encyclopedia.
2. Online search engine.
3. Dictionary.
4. Thesaurus.
Explanation:
1. <u>Encyclopedia</u>: a collection of informative articles typically arranged in an alphabetical order about a wide variety of topics from around the world. It is also referred to as Encyclopedia Britannica and could either be in form of a book or an online (electronic) database.
2. <u>Online search engine</u>: information stored in databases and on sites. It's an internet resource or service that searches for keywords or categories specified by the end user and then displays (shows) a list of website which matches or have informations similar to the query. Some examples of popular search engines are Goo-gle, Bing, Yahoo, etc.
3. <u>Dictionary</u>: a book or electronic resource that comprises of definitions, pronunciation, and spelling of words that are often arranged in an alphabetical order. Also, it provides an example on the usage of a word.
4. <u>Thesaurus</u>: words with similar meaning listed together. It's simply a type of book that lists words having similar meanings (synonyms) together and words that have opposite meanings (antonyms). The word "thesaurus" was derived from Greek and it means treasure.
"A good man's prayers are golden recompense!" would be a metaphor.
