Which sentence uses a demonstrative adjective that points out something near? a. this ring on your finger is beautiful. b. sam tested that porch light. c. fred has those books at his house.

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.