B: formed by an active volcano
Answer:
System preferences.
Explanation:
MacOS is the primary operating system designed and developed for Apple computers (MacBook).
In macOS, system preferences is a launch point that provides access to almost all the settings needed to administer a macOS system. The system preferences allow users to change various settings on their Mac computers such as changing the desktop layout, desktop picture (wallpaper), size and location of the dock, font size, appearance, energy saver etc.
The answer is D. Hydrogen
helium is He (just for extra knowledge)
Answer:
Option A is the correct answer.
Explanation:
