In which of these ways can volcanoes help build up land?
A by increasing heat at the Earth's surface
B. by increasing gas pressure below the Earth's surface
C. by adding carbon dioxide to the Earth's atmosphere
By adding lava to Earths surface

Discuss the main ideas of eugenics, and explain why it is no longer a prominent belief in the united states.

The diagram shows fossils buried in layers of rock. which conclusion is best supported by the diagram?

Gupta kings believed the strict social order of the hindu caste system would strengthen their rule. which of the following responses to this statement is most logical? a. the guptas’ highest priority was preserving their power. b. the guptas’ highest priority was restoring personal freedoms. c. the guptas’ highest priority was spreading the hindu religion. d. the guptas’ highest priority was changing the roles of women.