The answer is all of the above
HTML: Hypertext Markup Language. It's used in conjunction with CSS (Cascading Style Sheets), which implements presentation (adding color, positioning elements, etc.) and JavaScript (you'll often see this referred to as JS), which implements functionality (like clicking on buttons) for webpages.
Answer:
Douglas-fir, spruce, true fir, beech, and maple are toward the top of the list for oxygen release.Douglas-fir, spruce, true ...
The area that holds all the startup instructions the computer needs to start is the ROM, or read-only memory.