In La Niña years, the normal trade winds along the equator became unusually strong, blowing warm water eastward. Along the coast of South Africa, current bring cold water to the surface in a process known as upwelling. How does this affect the weather patterns around South America? A. The upwelling adds to the humidity and increases storms.

B. The upwelling disrupts cloud formation, resulting in droughts.

C. The cold water from the upwelling causes more hurricanes.

D. The cold water from the upwelling causes drier than normal conditions.

Which areas of earth receive the most precipitation on average? a. tropics b. temperate zones c. regions near 30? n and s latitudes d. polar zones 1

Giraffes with short necks tend to be unable to access enough food, while giraffes with long necks can reach more food at the tops of trees. this causes an advantage for giraffes with long necks. how would you explain this? a. this is an example of a stabilizing selection in which the intermediate form of a trait is advantageous compared to the extreme forms of the trait. b. this is an example of a disruptive selection in which the population of cacti is divided and well-defined. c. this is an example of directional selection in which one end of the bell curve is better adapted to its environment than the other end. d. this is an example of bidirectional selection in which evolutionary pressures from multiple sources encourage an organism to adapt

Why is dna replication critical to the survival of species