In humans, when the eye focuses on a nearby object, the lens
A) becomes more rounded.
B) gets less transparent.
C) gets more transparent.
D) does not change.
E) flattens.
E
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What is the main difference in the formation of coal vs. the formation of natural gas and oil?
A. Coal formed mainly from deposits of plants and animals living in oceans and natural gas and oil formed mainly from the remains of plants and animals in swampy anoxic environments. B. Coal takes several million years to form and natural gas and oil take much less time, roughly several thousand years. C. Natural gas and oil require intense heat and pressure to form and coal only requires an anoxic environment. D. Natural gas and oil formed mainly from deposits of plants and animals living in oceans and coal formed mainly from the remains of plants and animals in swampy anoxic environments.
What happens to a sarcomere when muscle contraction occurs?
A) It shortens. B) It lengthens. C) It remains the same. D) It lengthens and then shortens.
Plants are capable of growth throughout their entire lifespan because of specialized tissue known as the
A. petiole B. cotyledon C. xylem D. meristem
Which of the following puts the Five "I"s in their correct order?
A. inoculation, incubation, isolation, inspection, identification B. isolation, inspection, inoculation, incubation, identification C. incubation, inspection, isolation, identification, inoculation D. inspection, identification, isolation, incubation, inoculation E. inspection, isolation, incubation, inoculation, identification