Cepheids and globular clusters are limited in their ability to measure the distance to galaxies because they ____.
a. are too rare
b. are not bright enough to detect at large distances
c. behave differently in other galaxies than they do in our own
d. do not appear in dwarf galaxies
e. are only found in elliptical galaxies
Question 2
What telescope instrument is used to counter the eastward rotation of Earth?
a. Newtonian focus
b. sidereal drive
c. active optics
d. Cassegrain focus
e. floppy mirrors
Species richness decreases with distance from the source pool.
The nurse uses a noninvasive bladder ultrasound to measure the client’s bladder volume.
Orangutans are limited to the islands of Sumatra and Borneo, where their numbers are rapidly declini
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