Which makes the earth sherical in shape​

Political boundaries are determined by the political party in control at the time. true or false

Dry land planting can benefit the environment by reducing the need for tillagate

Afarmer who is grown corn for the past five years notices in the sixth year that the his harvest is significantly smaller, despite an increase in labor on the farm. the following year, the harvest continue to decline. which of the following explanations most plausibly accounts for the reduction in corn yield? a) soil degradation b) desalinization c) better irrigationd) terracing