Answer: Its not rare and this isn't a question so stop deleting my answer.
Explanation:
One cycle of the moon phases last for almost around 29 and a half days or 29.5 days .
There are four phases of the moon .
The average number of days between 4 intermediate phases of moon is approximately 7.4 days , however between full , waning/waxing gibbous , waning / waxing crescent,and new moon is around 3.5 days .
Answer:
Mantaro River
Explanation:
The source of the Amazon River has been attributed to the headwaters of three different Peruvian rivers in the high Andes: the Marañón, the Apurímac, and the Mantaro. Explorers and scholars have identified each of the three rivers as being the source of the Amazon under one of the three definitions.
