The amplitude and frequency of such tides is affected by the moon's location as it revolves around the Earth. The gravitational pull of the moon creates a tidal bulge at the location directly beneath its location. Every two weeks or so, the moon aligns with the Earth and sun in a straight line -- the new and full moon phases -- resulting in the maximum gravitational force on our planet's oceans. These periods are referred to as spring tides..
http://d3fzrw9hngh8qa.cloudfront.net/glossary/CORECountries.mp4. According to a way of thinking about economies known as World Systems Theory, CORE countries are strong and wealthy countries that generate lots of wealth, and on which other countries depend. In the 14th century, Mongolia was a CORE country, and Italy was a peripheral country.
CORE is an organization founded by James Leonard Farmer in 1942 to work for racial equality.Synonym: Congress of Racial Equality.he two metals found in the outer core of the earth are Nickel (Ni)  and Iron (Fe). 8 people found this useful. Edit. Share to: 1  Abdominal Exercises to Strengthen Your Core Strengthening your core is a very important component of general physical fitness. 2  A well-muscled core helps you prevent injury.