What is the action force responsible for seafloor spreading? A) the destruction of ocean crust in trenches
B) the intrusive of magma forced up toward the ocean ridge
C) the force of the ocean crust sitting on the athenosphere
D) the differences in mass of the ocean and continental plates

What is the main reason that attitudes are more often revealed in spoken rather than written language? a. in writing, we try to put the "best face" on what we write. b. we speak far more often than we write. c. in writing, we can more easily conceal our attitudes. d. in spoken language, we are often careless in our use of words.

Which describes a difference between cephalopods and gastropods? cephalopods have a water vascular system, and gastropods have an open circulatory system. cephalopods live only in ocean environments, and gastropods live in a variety of environments. cephalopods have a simple nervous system, and gastropods have a complex nervous system. cephalopods are the largest group of mollusks, and gastropods are the smallest group of mollusks.

The diagram shows a nerve cell. which row in the table labels the diagram correctly? a b c d