The length of time a person has been alive is known as their physiological age.
Your genetic make-up, accumulated lifestyle choices, and other characteristics including demographics, dietary preferences, and exercise routines all contribute to your biological age. Psychological age is the age at which one feels, acts, and behaves; it is not always the same as chronological age, which is the number of years since birth. Therefore, if a person is mature or even just feels older than they are, they may have a psychological age that is greater than their actual age. The physiological age of a person is determined by their level of health and may or may not correspond to their chronological age.
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The answer is: D. all of the above.
When Earth receives energy from the Sun, some energy is reflected back into space, some is absorbed by the atmosphere, and some is absorbed by land and water on Earth's surface.
The Carbon/Oxygen Cycle<span> involves three major processes and one minor process: </span>photosynthesis<span>, </span>respiration<span>, </span>combustion<span>and </span>decomposition<span>.</span>
The mechanisms responsible for specification of the dorsal axis include a post-fertilization cortical rotation that promotes a dorsal accumulation of β-catenin, and the activation of a cascade of regulatory genes by the complexes of β-catenin and HMG box transcription factors that start the process of gastrulation