All of the Following Statements Describe the Effects of Plate

question 2

Multiple Choice

All of the following statements describe the effects of plate tectonics on Earth Systems EXCEPT:

• A) rifting and associated volcanic activity may have contributed to extinctions.
• B) gas emissions from subduction- zone volcanoes may alter the Earth's climate.
• C) pieces of old subducted plates are recycled in the deep mantle.
• D) convergent zones may have been the site where complex organic molecules formed.

---

Definitions:

Hydrogen Bond

A feeble attachment formed between two molecules due to the electrostatic pull between a proton in one molecule and an atom with a high affinity for electrons in the other.

Covalent Bond

A covalent bond is a chemical bond formed when two atoms share one or more pairs of electrons, strongly binding them together in a molecule.

Polysaccharides

Large molecules composed of long chains of monosaccharide units bonded together, serving various functions such as storage and structural roles in plants and animals.

Triacylglycerols

Lipids formed by three fatty acids linked to a glycerol molecule; a main form of energy storage in animals.