2. Which of the following best describes the theme of the passage?
a. The agricultural revolution changed human food preferences.
b. Some plants today are similar to their ancestors.
c. Farming replaced hunting and gathering,
d. Agricultural communities developed from hunter-gatherer communi-
ties, and the practice of agriculture introduced new environmental
problems.

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.

there is no stairs in bungalow

explanation:

can i have brainliest i need one

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.