Judge the Following Sentences According to the Criteria Given Below

question 15

Multiple Choice

Judge the following sentences according to the criteria given below. A student disputes the process of mantle convection. They argue that rock is solid and cannot flow. They challenge their classmates to provide evidence for present day mantle convection. A classmate shows them a seismic tomographic map and cross section showing variations in S-wave velocities.

• A) The seismic tomographic map and cross section do show evidence for present day mantle convection and offers a strong affirmation of mantle convection.
• B) The seismic tomographic map and cross section do show evidence present day mantle convection but this data cannot be used as evidence for mantle convection.
• C) The seismic tomographic map and cross section has a random pattern of S-wave velocities and offers no evidence for anything.
• D) The seismic tomographic map and cross section shows evidence for mantle convection in the past but not for present day mantle convection.

---

Definitions:

Flynn Effect

The observed rise over time in standardized intelligence test scores, theorized to reflect a variety of environmental factors.

Average Score

The mean value obtained by dividing the sum of all scores in a set by the number of scores, often used to measure central tendency in data.

IQ Scores

A numerical assessment, derived from standardized tests, that measures a person's intelligence level compared to others.

Environmental Factors

Elements within the surrounding environment that can influence living organisms, encompassing physical, chemical, and biological factors.