Which of these electromagnetic waves has the shortest wavelength?
A) radio waves
B) infrared waves
C) X rays
D) ultraviolet waves
E) light waves
C
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The main reason that the deposits shown here are sorted and stratified is that the glacier that dropped them was
A) moving very slowly.
B) accompanied by running meltwater.
C) moving through very soft, erodible bedrock.
D) moving through very flat terrain.
The United States has signed the international treaty called CITES but has not signed/ratified the treaty called ____________________
Fill in the blanks with correct word
At fertilization, the egg and the sperm merge to form a zygote. The zygote contains DNA from both parents making the offspring ________
A) haploid offspring B) inbred vigorous C) sterile hybrid D) a clone E) genetically unique
All the following traits show genetic variation in humans except
A. hair color. B. neck length. C. hair length. D. eye color.