Question

assessment instructions:
when taking an assessment please remember the following:

• the assessment is timed.
• you may not use outside resources to assist in answering questions, including google.
• you may not open a second browser window when this assessment is open; if you do, canvas will track every time you leave the assessment and open an outside url. as a result, you will receive a 0.
• you may not work with another student when taking the assessment.
• if you cheat on any portion of this assessment, you will receive a 0.

question 44
what force binds a galaxy together?
heat
light
gravity
dark energy

Explanation:

Gravity is the force that holds galaxies together. Heat is a form of energy related to temperature, light is electromagnetic radiation, and dark energy is a hypothesized form of energy that affects the expansion of the universe.

Answer:

gravity