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It takes about 365.2422 days for Earth to orbit the sun, but the number of days in a calendar year is always a whole number. In the Gregorian calendar, each regular year has 365 days and each leap year has 366 days. There are 97 leap years in every 400-year period. That makes the average length of a Gregorian calendar year 365.2425 days.
What else can I help you with?
Why are US census taken every ten years?
Because they don't want to know the reality so frequently. I causes blue to the government and to the people.
What are the causes and effects of US imperialism?
wemo
A tilted axis causes us to have?
Seasons
What causes most deaths in the us?
Deer
What are the leading causes of mortality in the US?
Leading causes of mortality in the US include cardiovascular disease (heart attacks), vehicular accidents, domestic accidents, workplace accidents, natural causes (old age), and cancer.
Why is obesity harmful for us?
obesity is harmful to us because it causes many diseases
What is major causes of death in th us?
Cancer
What country causes the most land pollution?
the US of A
The causes of US entry in Vietnam?
Communist aggression.
What were the causes of the civil war in the us?
slavery ;) thats it
What are some major causes for deforestation in the US?
PEOPLE
What causes us day and night?
the tilting of the earth
