Which of the Following Is True About Ultrafaint Dwarf Galaxies

question 16

Multiple Choice

Which of the following is true about ultrafaint dwarf galaxies?

• A) They are surrounded by dark dust and gas.
• B) They are sites of active star formation.
• C) They are dominated by dark matter.
• D) They have been predicted but have never been observed.
• E) They are more massive than most dwarf galaxies.

---

Definitions:

Intuitive

Referring to understanding or knowing something instinctively, without the need for conscious reasoning.

Strategic

refers to the careful planning and management of resources to achieve a specific goal or to gain an advantage.

Fluid Intelligence

The capacity to reason quickly and think abstractly, enabling problem solving and learning in novel situations.

Selective Optimization With Compensation

The theory, developed by Paul and Margaret Baltes, that people try to maintain a balance in their lives by looking for the best way to compensate for physical and cognitive losses, and to become more proficient in activities they can already do well.