I think that it is mistake. Because if something is daunting, it is a challenge. If you regret something, it is a mistake.
ANSWER: Africans associate this type of surface with: Cultivated refinement. The nature of African art grows from the theme of religious symbolism, functionalism, utilitarianism. African Art reflects images of ancestral spirits and pantheons of gods and goddess.
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The answer is a 1/2 gram or 0.5 grams. After 8 days, there will be 4 grams. After 16 days, there will be 2 grams. After 24 days, there will be 1 gram. And after 32 days, there will be a 1/2 gram or 0.5 grams. The formula is
(1/2)^n = fraction remaining
where n is the number of half-lives.
In this case, n=4, since 32/8=4.
The formula gives us
(1/2)^4=1/16
1/16 of 8 grams (the starting amount) is 1/2 gram or 0.5 grams
The answer would be D. Within the Roman empire