Which of the following areas in a secondary lymphoid organ allows intimate contact between blood and the lymphocytes?

red pulp of the spleen
germinal centers of the lymph nodes
Hassall's corpuscles of the thymus
white pulp of the spleen

false because ozone (o3) depletion does not cause global warming, but both of these environmental problems have a common cause: human activities that release pollutants into the atmosphere altering it.

global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.

explanation:

ur answer is e & d

explanation:

1. is geographic distribution

2 is increasing complexity

3 is transitional forms