What prevents continental crust from diving toward the mantle?

Horizon a is also sometimes called a. topsoil b. subsoil c. bedrock d. weathered bedrock

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

The senate rejected the treaty of versailles mainly because it included the united nations the league of nations an agreement with france an agreement with germany