As a Low-Mass Protostar Approaches the Main Sequence,its Central Temperature

question 70

Multiple Choice

As a low-mass protostar approaches the main sequence,its central temperature ________ and its luminosity ________.

• A) decreases; decreases
• B) increases; increases
• C) remains steady; increases
• D) increases; decreases

---

Definitions:

Advanced Boot Option

A menu accessed upon startup of a computer, offering a choice of diagnostic tools and different methods of booting the system.

Safe Mode

A diagnostic boot mode in Windows operating systems used to troubleshoot and fix problems by starting the OS with a minimal set of drivers and services.

Low Resolution

Describes an image or display with a relatively small number of pixels, resulting in less detail.

System Restore

A utility that makes a snapshot of the registry and backs up certain dynamic system files. When a problem occurs, use this utility to take your system back to a time before the error started.