What is being described in the passage?

it is b

Explanation:

it starts Whit b dd d d d d

I think it's a tectonic plate(also called lithospheric plate). :D

Hope this helps.

Explanation:

Pls give brainliest.

just here for the other one bc they put up with u

economic impact of malaria is estimated to cost africa $12 billion every year. this figure factors in costs of health care, absenteeism, days lost in education, decreased productivity due to brain damage from cerebral malaria, and loss of investment and tourism.