Which of these statistics is MOST associated with a "More Developed Country" (MDC)? A)
low birth rate
B)
high natality rate
C)
low GDP per capital
D)
high infant mortality rate

Tides are caused by a differences in the gravitational force of the sun at different points on earth. differences in the gravitational force of the moon at different points on earth differences in earth’s gravitational field strength at different points on earth’s surfac fluctuations in the gravitational attraction between earth and the moon.