Sea-floor spreading happens at a rate of several meters per year. Indicate whether the statement is true or false


F

Environmental & Atmospheric Sciences

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The process of ____ is responsible for breaking down rocks into smaller pieces

a. weathering b. erosion c. sedimentation d. lithification e. clastification

Environmental & Atmospheric Sciences

Compared to oceanic crust, continental crust is thicker and less dense

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

During the Silurian, the collision of Gondwana and Laurentia produced the large landmass of

Laurasia. Indicate whether the statement is true or false.

Environmental & Atmospheric Sciences

Solid waste is best defined as any unwanted or discarded material that

A. is partially reusable because of its nutrients B. threatens human health or the environment because of its toxicity C. is not liquid or gas D. is not biodegradable E. cannot be converted to a liquid

Environmental & Atmospheric Sciences