Which statement correctly describes how energy is made in photovoltaic cells and how energy is made in photosynthesis? A. photovoltaic cells can only make energy that does not need light for photosynthesis can only make energy that needs light.
B. photovoltaic cells in photosynthesis can make energy that need light and energy that does not need light. C. photovoltaic cells need light to make energy by photosynthesis to make energy that needs light and energy that does not need light. D. photovoltaic cells can make energy that need light in energy that does not need light for photosynthesis can only make energy that does not need light

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.

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.  

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.