Which type of heavy atomic nuclei are most common, and why?
A) Transuranium elements, for only very heavy elements are made in supernovae.
B) Odd numbered elements, because hydrogen is the building block for all heavier elements.
C) Even numbered elements, for helium is giant food for everything beyond itself.
D) Metals, for iron is the last abundant element formed before the type II supernova.
E) Noble gases, for they are the most stable elements.
Question 2
Which of the following statements about circumpolar stars is true at all latitudes?
A) They are the stars close to the north celestial pole.
B) They always remain above your horizon.
C) They make relatively small circles, traveling clockwise around the north celestial pole.
D) Like all other stars, they rise in the east and set in the west.
E) You cannot see them from the Southern Hemisphere.
Early in the twentieth century, when malnutrition was common, companies such as this one advertised
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Common Prefixes Cont.
In Canada, disease-related deaths become increasingly common during middle adulthood
A GWAS study for Type 2 diabetes revealed 386,371 genetic markers, clustered here by chromosome numb