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Which feature existed before the adaptation of reptiles for life on land?
Inverted-U Theory
suggests that there is an optimal level of some variable, beyond which its effect starts to decline or become negative.
R&D Expenditures
are the costs associated with the research and development activities of a company or country, seeking to innovate, improve products, and explore new markets.
Industry Concentration
A measure of the degree to which a small number of firms dominate total industry output, sales, or employment.
Process Innovation
Introduction of a new or significantly improved production or delivery method, enhancing efficiency or quality.
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