The Concentration of Carbon Dioxide in the Soil Is ________

question 94

Multiple Choice

The concentration of carbon dioxide in the soil is ________ that of the atmosphere because ________.

• A)greater than roots and organisms respire
• B)greater than carbon dioxide seeps out of the underlying regolith
• C)less than plants use carbon dioxide for photosynthesis
• D)less than virtually all the carbon dioxide in the soil combines with water to form carbonic acid
• E)the same as gases mix and expand to fill the volume provided.

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Definitions:

Motor Behavior

Concerns the study of how motor skills are learned, controlled, and developed to facilitate physical movement and coordination.

PKU

Phenylketonuria, a rare inherited disorder that increases the levels of a substance called phenylalanine in the blood, requiring a strict diet to prevent intellectual disability and other health problems.

Intellectual Disability

A condition characterized by significant limitations in both intellectual functioning and adaptive behavior, which includes many everyday social and practical skills.

Myelination

The process of forming a myelin sheath around the nerves to improve the speed and efficiency of electrical signals transmission in the nervous system.