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Although there is no direct evidence for dark matter, many scientists speculate that it may be responsible for

A __________ black hole forms from an individual star dying; a __________ black hole is made when a galaxy is formed.

Geologists classify metamorphic rocks primarily according to

The earliest known model of the Universe was __________, the idea that celestial bodies revolved around the __________.

Two atoms of a single element that differ in number of neutrons are different

A patient with multiple draining wounds is admitted for hypovolemia. What would be the most accurate way for the nurse to evaluate fluid balance?

Which complications would the nurse monitor for in a patient who has a platelet count below 100,000 / uL?

During what trimester do organs primarily form but are not all functional?

According to the following image, after one half-life has passed, what is the ratio of parent isotopes to daughter isotopes?

Toward the blue end of the spectrum, __________ objects emit __________ wavelengths of light.