2.
what did ptolemy’s book almagest focus on?
a the changes of the signs of the zodiac over the last 2000 years
b observations of the sun over the previous decade
c alchemy and the search for medicines during the previous century
d planetary observations over the previous 800 years

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

How much time has elapsed from the very beginning of "the memior of the conquistador bernal diaz del castillo" to the end? a. castillo's whole life b. a quarter of an hour c. a few weeks d. a decade