Most of canada’s border with the united states falls into which of canada’s six main climate regions?

How are farmers that use no plow farming methods able to improve air quality for the people around the fram

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.

Can you give an explanation of what medc and ledc are.