​One piece of evidence that suggests the existence of Pangaea is the apparent fit of continents across North and South Atlantic.

​Modern oceanography began with the efforts of ____, who trapped his ship in pack ice to explore the Arctic.

Vaccines work by ________. 

​What was the most important outcome of Matthew Maury’s work?

What intermolecular forces are present for this molecule.  Check all the apply. HF(l)

The respiratory burst produced by activated macrophages releases free radicals which are effective at killing pathogens.

Clonal selection of B cells ________.  

Two babies are mixed up in the hospital nursery.  The blood types of Couple #1 are A and O and the blood types of Couple #2 are AB and B.  Baby Joe has blood type O and Baby Jane has blood type A.  Who are the parents of Baby Joe and Baby Jane?   a. Baby Jane parents are Couple # _______ b. Baby Joe parents are Couple # ________

What intermolecular forces are present for this molecule.  Check all the apply. CCl4(g)

One example of horizontal water movement is called downwelling.