What does Arc C D E describe?

Como se presentan los personajes de cunshi y su pequeño hijo? describe a cada uno de ellos

Why do farmers in different regions use different farming techniques

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.