A Year Is Defined As

question 83

Multiple Choice

A year is defined as:

• A)the time it takes for Earth to complete a rotation on its axis.
• B)the time it takes for the Moon to complete an orbit of Earth.
• C)the time it takes for the Moon to complete a phase cycle.
• D)the time it takes for Earth to complete an orbit around the Sun.
• E)the time it takes for the Sun to complete an orbit around Earth.

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Definitions:

Human Genetics

The science of inherited variation in humans.

Population Studies

Research and analysis of various characteristics of populations, such as size, distribution, and demographics, to understand trends and effects on society or ecosystems.

Phenotypes

The observable physical or physiological traits of an organism, determined by both genetic makeup and environmental influences.

Albinism

A hereditary inability to form melanin pigment, resulting in light coloration.