Internal Work Includes

question 20

Multiple Choice

Internal work includes

• A)all of the energy-expending activities that must go on all of the time to sustain life
• B)all energy expenditure by tissues other than skeletal muscles
• C)the energy expenditure required to move external objects
• D)both a and b
• E)all of the above

---

Definitions:

Air Freight

The transportation of goods by aircraft, a fast but usually more expensive mode of shipping compared to road or maritime transport.

Coastal Ports

Harbors or docks located along the coastlines that serve as points for the arrival and departure of ships and goods.

Silica Sand

High-purity sand that is made predominantly of quartz silt and is used in various industries such as glass making and hydraulic fracturing.

Glass Manufacturing

The process of producing glass products, which involves melting silica sand and other raw materials to form glass, which is then shaped into desired forms.