Which is an advantage that single-celled organisms have compared to multicellular organisms?
a. they can reproduce very quickly by binary fission.
b. when one cell works the other cells benefit.
c. increased size affects their ability to obtain nutrients.
d. survival is dependent on other cells.

the growing interconnectedness of the world through communication, trade, and the exchange of ideas is an important theme in the history of the 20th and 21st centuries.

explanation:

explanation:

hitler's  "rise" can be considered to have ended in march 1933, after the reichstag adopted the enabling act of 1933 in that month. president paul von hindenburg had already appointedhitler  as chancellor on 30 january 1933 after a series of parliamentary elections and associated backroom intrigues.