Please answer both questions! Does photosynthesis or cellular respiration introduce energy to power life functions?
Does photosynthesis or cellular respiration use food?

as resources become scarce because of population growth, the growth decreases after few years due to lack of resources and food.

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.