A El Niño is caused by
ocean currents
b. the isolation of continents
c. orography
d. all of the above
Please select the best answer from the choices provided
A
B
С
D

How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half

The chromosomal structure that limits the number of cell divisions of a cell is the the chromosomal structure that limits the number of cell divisions of a cell is the kinetochore telomere histones centromere

Which of the follow describes a disadvantage secondary sources have compared to primary sources?