A Cross Section of Earth Reveals a Layered Structure That

question 31

Multiple Choice

A cross section of Earth reveals a layered structure that has different thicknesses and densities. How do geologists know this?

• A) from drilling and digging down into the various layers
• B) from observing the characteristics of lava and gas issuing from volcanic vents
• C) from observing the transit times through Earth of seismic waves generated by earthquakes
• D) from comparisons with drill cores taken by robot spacecraft on Mars and Venus

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Definitions:

Preapproach Stage

A phase in the sales process where research and planning are conducted before making initial contact with a prospective customer.

Sales Presentation

A speech or demonstration by a salesperson to introduce a product or service to potential customers, aiming to generate interest and close a sale.

Preapproach Stage

The stage of the sales process where initial research is conducted and strategies are devised before making direct contact with potential customers.

B2B Customer

Stands for "Business to Business" customer, which describes transactions or engagements between businesses rather than between businesses and individual consumers.