An Irregular Galaxy Contains Mostly

question 20

Multiple Choice

An irregular galaxy contains mostly

• A) lower-main-sequence stars and giants.
• B) upper-main-sequence stars and giants.
• C) upper-main-sequence stars and gas and dust.
• D) upper- and lower-main-sequence stars and gas and dust.
• E) white dwarfs and supergiants.

---

Definitions:

Resource Conservation

The practice of managing natural resources such as water, soil, and forests to prevent depletion and ensure their sustainability for future generations.

Recovery Act

The Recovery Act, formally known as the American Recovery and Reinvestment Act of 2009, is a U.S. federal law aimed at stimulating the economy during the late-2000s recession through spending and tax cuts.

Waste Disposal

refers to the processes and actions required to manage waste from its inception to its final disposal, including collection, transport, treatment, and disposal of waste, along with monitoring and regulation.

Hazardous Sites

Locations that contain dangerous or harmful substances posing potential risk to humans, wildlife, or the environment.