Which of the Following Observations Seems to Undermine the Basic

question 262

Multiple Choice

Which of the following observations seems to undermine the basic idea of set-point theory?

• A) Although laboratory mice and rats will overeat if given a variety of foods, animals in the wild will only eat enough to maintain a normal body weight.
• B) Many people have a strong tendency to gain excess weight as they get older.
• C) Even when people are given medications that boost brain levels of serotonin, their weight will gradually decrease with age.
• D) The prevalence of obesity is just as great in developing countries as it is in North America.

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Definitions:

Oceanic Crust

The type of thin, mafic crust that underlies the ocean basins.

Upper Mantle

The portion of the Earth's mantle that lies beneath the lithosphere, involved in tectonic processes and convection currents.

Lower Mantle

The lower mantle is the region of the Earth's interior between the core-mantle boundary and the upper mantle, characterized by high temperatures and pressures, composed mostly of silicate minerals.

Outer Core

The molten outer part of Earth’s core, extending from a depth of 2,900 km to 5,100 km.