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The nurse explains that metastasis from the original site to a new site can occur in a variety of ways. Which mechanisms do malignant cells use to metastasize? (Select all that apply.)

All spiral galaxies have both a disk and spheroidal component to their stellar populations.

A 42-year-old patient with end-stage ovarian cancer, nearing death, is visibly agitated and repeatedly says, “I still have so much to do.” Which action by the nurse demonstrates respect and support for the patient?

Which of these pieces of evidence supports the idea that inflation really happened?

How do effector cells in MALT differ from those of the systemic immune system (SIS):

________________ are cooler (or denser) than the surrounding region of the Sun’s surface.

Stars can form most easily in clouds that are

Which of the following best explains why the night sky is dark?

_______________________   _________________ is a mathematical expression of the idea that more distant galaxies move away from us faster: v = H0 × d, where v is a galaxy’s speed away from us, d is its distance, and H0 is Hubble’s constant..

Stars are born in cold, relatively dense ____________________   ______________ (two words).