Geography
Geography, 22.04.2020 21:57, smartgirl9989

1. A protostar has not yet kindled nuclear fusion but glows: A. in the ultraviolet, B. in the infrared, C. with gamma ray emission.

2. Large, hot young stars ionize an HII region (singly ionized) region around them called A. HI region, B. 'The zone', C. Stromgren Sphere.

3. (T or F) The earth's demise will happen by being engulfed in a Red Giant.

4. (T or F) A white dwarf is hotter on the surface than its surface on the main sequence

5. O I is what ionization state of Oxygen? A. neutral, B. singly ionized, C. doubly ionized.

answer
Answers: 3

Other questions on the subject: Geography

image
Geography, 22.06.2019 12:10, dondre54
The lines marked by the letters a, b, and c on the map above represent a. chains of volcanoes b. earthquake fault lines c. thin strips of heavy forests d. major rivers that flow from north to south
Answers: 3
image
Geography, 22.06.2019 13:30, natalie2sheffield
What is the hottest recorded temperature on earth
Answers: 1
image
Geography, 22.06.2019 18:30, deaishaajennings123
The causes of the failure of the league of nations
Answers: 1
image
Geography, 23.06.2019 11:00, anasfis35ovmbff
This diagram show the most important texts of.
Answers: 3
Do you know the correct answer?
1. A protostar has not yet kindled nuclear fusion but glows: A. in the ultraviolet, B. in the infrar...

Questions in other subjects: