In the Diagram, Solid Arrows Reflect Real Flows, While Broken

question 80

Multiple Choice

In the diagram, solid arrows reflect real flows, while broken arrows are monetary flows. Flow (4) might represent

• A)the services of NASA astrophysicists.
• B)the purchase of stealth bombers.
• C)personal income taxes.
• D)investment spending by private corporations.

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Definitions:

Agricultural Herbicides

Chemical substances used to control or eliminate unwanted vegetation (weeds) in farming, to improve crop yields.

Physical Reactions

Changes in the state or properties of matter that do not involve a change in its chemical composition, such as melting, freezing, and evaporating.

Chemical Reactions

Processes by which substances interact to form new substances with different chemical compositions and properties.

Energy

The capacity to do work, existing in multiple forms such as kinetic, potential, thermal, electrical, chemical, nuclear, and more, crucial in all aspects of life and technology.