During the Last 800,000,climate Reconstructions Show That CO 2 Never

question 96

Multiple Choice

During the last 800,000,climate reconstructions show that CO 2 Never changed more than_________ppm upward or downward in any span of less than 1,000 years,though it has risen by this amount in the last 13 years.

• A)30
• B)60
• C)120
• D)240

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Definitions:

Associative Learning

A learning process in which a new response becomes associated with a particular stimulus, forming a connection between behavior and consequences or between stimuli in classical and operant conditioning.

Non-associative Learning

A type of learning in which an organism’s response to a stimulus changes in the absence of any association with a positive or negative reinforcement.

Sensitization

An increased reaction to a stimulus following repeated exposure to it, often used in the context of allergic reactions or drug tolerance.

Long-term Potentiation

A lasting increase in signal transmission between two neurons that results from their simultaneous activation, believed to be a cellular mechanism underlying learning and memory.