Which of These Can Be Concluded from the Figure Below

question 18

Multiple Choice

Which of these can be concluded from the figure below?

• A) In some years of the study the mean poison ivy biomass decreased to the level it was at the beginning of the study.
• B) There were more elevated CO₂ plots than control plots.
• C) Not all of the increase in mean poison ivy biomass can be attributed to the CO₂ that the researcher added.
• D) Poison ivy in the experimental plots was more toxic than that in the control plots.

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Definitions:

Implied Decimal

A decimal point not explicitly shown but understood in the context of the number.

Multiples

Numbers that are the product of a given number and any other whole number.

Number 4

A numerical digit representing a quantity equivalent to the sum of 2 + 2.

Chewable Tylenol

A form of Tylenol (acetaminophen) medication designed to be chewed before swallowing, making it easier to ingest.