Which Two Factors Are Most Important to the Existence of Plate

question 89

Multiple Choice

Which two factors are most important to the existence of plate tectonics on Earth?

• A) Mantle convection and a thin lithosphere
• B) Oxygen in the atmosphere and mantle convection
• C) The existence of life and oxygen in the atmosphere
• D) Earth's liquid outer core and solid inner core

Grasp the methods and concepts of psychophysics, including absolute and difference thresholds, and understand the factors affecting sensory processing and perception.

Understand the concept of variance and standard deviation in the context of investment performance.

Calculate dividend income and understand its impact on total investment return.

Determine total dollar and percentage returns on different types of investments.

---

Definitions:

Biological Needs

Fundamental physical requirements necessary for human survival, including air, food, water, shelter, clothing, warmth, sex, and sleep.

Reinforcing

Strengthening a behavior by providing a consequence that is rewarding.

Primary Reinforcers

Innate reinforcing qualities, such as food or water, that satisfy biological needs.

Superstitious Behaviour

Actions linked to beliefs in supernatural causality, where one event causes another without any natural process linking the two events, often influenced by cultural or personal significance.