Why is the distance of the Earth from the sun so crucial for life as we know it?
a. The distance provides the optimal temperature for water to occur in a liquid form.
b. The distance allows the Earth's orbit to have a year of a reasonable length.
c. The distance allows for multiple seasons in temperate climates, which was crucial for
development of different chemicals used to build the first protocells.
d. The distance provides ample opportunity for water to freeze into ice.
e. The distance ensures that ample water is available for all of the organisms on Earth.
A
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Which of the following best illustrates the Bohr effect?
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Which sequence accurately reflects the order in which light passes through the structures of the eye during vision?
A) pupil, cornea, lens, retina B) pupil, lens, cornea, retina C) cornea, lens, pupil, retina D) cornea, pupil, lens, retina
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finds that the young boy has ________. A) leukemia B) hemophilia C) embolus D) anemia