The amount of radiation absorbed by tissues is measured by which of the following?
A) curie
B) rad
C) roentgen
D) all of these
B
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In the Calvin cycle of photosynthesis,
A) chlorophyll in the chloroplasts fixes insolation, exciting electrons. B) molecules of ATP and NADPH are made. C) ATP and NADPH are used to fix CO2 from the air to create organic molecules (sugars). D) O2 is the input and CO2 is released.
A large scale vertical downward motion in the atmosphere is a ________.
A) wind B) tornado C) front D) subsidence E) Coriolis effect
According to Richard Florida, the combination of economic output, innovation and population in urban areas has made the world a ________ place
A) flat B) cultural C) spiky D) shrinking E) cognitive
Winter beaches build up underwater sandbars that serve as a storage facility for next summer's sand supply.
Answer the following statement true (T) or false (F)