If Atmospheric CO₂ Concentrations Increase Twofold or More, How Will

question 30

Multiple Choice

If atmospheric CO₂ concentrations increase twofold or more, how will plants be affected, disregarding any changes in climate?

• A) All plants will experience increased rates of photosynthesis.
• B) C₃ plants will have faster growth; C₄ plants will be minimally affected.
• C) C₄ plants will have faster growth; C₃ plants will be minimally affected.
• D) C₃ plants will have faster growth; C₄ plants will have slower growth.
• E) Plant growth will not be affected because atmospheric CO₂ concentrations are never limiting for plant growth.

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Definitions:

Psychosis

State involving a loss of contact with reality as well as an inability to differentiate between reality and one’s subjective state.

American Law Institute (ALI) Rule

A legal standard for insanity that assesses whether a defendant lacked the capacity to understand the wrongfulness of their actions or conform their conduct to the law due to mental illness.

M'Naghten Rule

A legal principle that excuses a defendant from liability if at the time of the crime, they were suffering from a mental illness that prevented them from understanding the nature of their actions or knowing right from wrong.

Durham Rule

A legal standard used to determine insanity, stating that an accused is not criminally responsible if the unlawful act was the product of mental disease or defect.