Waldo is discussing climate change with Sarah. He says that the sun is the only cause of climate change and it has nothing to do with CO2 and humans. Sarah disagrees, and says that temperature is closely related to the amount of CO2 in the atmosphere. Which friend's claim is supported by the evidence presented in this lesson? Be sure to describe how the evidences proves that friend's claim.

The process of photosynthesis

In order to understand the problems of unwanted infertility in a country — the gambia — where the desire for children and the fertility is very high, a population-based survey was undertaken. all infertile women in 24 randomly selected enumeration areas were assessed. the study included a review of the problems faced and coping mechanisms employed by infertility clients and types of health care available for infertile couples in the different types and levels of the formal and traditional health system. half of the infertile couples failed to seek formal health care, and they have to reach a certain level of care in order to be properly managed. alternative care is often sought. child fostering is also a frequent solution to childlessness. in-depth interviews revealed that traditional care like healers and spiritual leaders are frequently consulted long before formal health care. this delay could be a problem in those cases where infertility is caused by infections.