Approximately ________ of U

question 79

Multiple Choice

Approximately ________ of U.S.Internet usersresearch online but do not buy.

• A) 7.7%
• B) 12.7%
• C) 15%
• D) 19%

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Definitions:

Tetrapods

Tetrapods are a vertebrate group that includes all species with four limbs or limb-like appendages, including amphibians, reptiles, birds, and mammals.

Ancestors

Individuals from whom one is descended, especially those more remote than grandparents, often referring to earlier generations.

Limbs

The extremities or appendages of an organism that are typically used for locomotion, manipulation of the environment, or other functions.

Earth's Atmosphere

The layer of gases surrounding Earth, vital for life, retaining heat, and protecting organisms from ultraviolet solar radiation.