Which of the Following Is True of 16O and 18O

question 22

Multiple Choice

Which of the following is true of 16O and 18O?

• A)Both the 16O and 18O isotopes occur in water molecules.
• B)Only the 16O isotope occurs in water molecules.
• C)Only the 18O isotope occurs in water molecules.
• D)Neither the 16O nor 18O isotopes occur in water molecules.
• E)The 16O and 18O isotopes are so radically different they are not used in paleoclimate reconstructions.

---

Definitions:

Cockatoos

A type of large, often colorful and noisy parrot native to Australia and surrounding islands.

Smuggled

Refers to the act of moving goods illegally into or out of a country, bypassing customs regulations and taxes.

Production Function

A model in mathematics that delineates how production inputs are related to the output generated.

Long-run

A period of time in which all factors of production and costs are variable, allowing companies to adjust all inputs.