Net Exports Must Equal Zero for Any Economy

question 28

Multiple Choice

Net exports must equal zero for any economy

• A)that is closed.
• B)for which Y = C + I + G.
• C)for which S = Y - C - G.
• D)All of the above are correct.

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Definitions:

Root Cap

Protective cover of the root tip, whose cells are constantly replaced as they are ground off when the root pushes through rough soil particles.

Vessel Elements

Specialized tubular cells in plants that facilitate the transport of water and minerals.

Tracheids

Elongated cells in the xylem of vascular plants, serving in the transport of water and mineral salts.

Sieve-Tube Members

Plant cells that are part of the phloem and responsible for transporting sugars and other nutrients throughout the plant.