It is one word: slideshow.
2 words: water slide
show one page, show two pages, and show printed page
It can be one word, although much more often seen as two words. Older dictionaries show it hyphenated stomach-ache.
Both the one-word and two-word forms are used, as different parts of speech.The verb is to show off (two words) meaning to display, or to grandstand.The noun is showoff, a person who seeks attention by his exploits.
It's one word. It's a compound word made up of two smaller words. An airline (one word) is a company that runs airplanes. An air line (two words) is a flexible tube or hose attached to an air or oxygen source supplying air or oxygen to a person who is ill or under water. Airlines and air lines, of course, are the plural versions.
There are two on a standard title slide. One is for the main title and one for the subtitle. You can also have a title only slide, which has just one placeholder.
out of
A Transform Boundary Is When Two Tectonic Plates Slide By One Another
an earthquake
an earthquake
It is used as one word.
no it is not an one word it is of two word