Answer:
Most of the energy in the Earth system comes from just a few sources: solar energy, gravity, radioactive decay, and the rotation of the Earth. Solar energy drives many surface processes such as winds, currents, the hydrologic cycle, and the overall climate system.
Explanation:
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Answer:
It is a common condition that includes overgrowth of atypical bacteria in the vagina 
Explanation:
It is characterized by vaginal discharge that is when a fluid flows out from the vaginal opening with an abnormal odor or consistency and sometimes pain, the normal microflora of the  female reproductive organs includes Gardenella, lactobacillus, Bacteroides, peptostreptococcus, fusobacterium , eubacterium, as well as a  number of other types, some of the factors that may contribute to an abnormal increase of these bacteria or  make them become unbalanced can be multiple or new sexual partners although some experts are skeptical about this; IUDs , recent antibiotic use, vaginal douching, and smoking. It is not dangerous but can cause discomfort symptoms.