Which Two Constitutional Provisions Have Been at the Heart of Constitutional

question 5

Multiple Choice

Which two constitutional provisions have been at the heart of constitutional struggles between federal and state powers throughout American history?

• A)the preamble and the elastic clause
• B)the Eighteenth Amendment and the Twentieth Amendment
• C)the Eighteenth Amendment and the Twenty-Fifth Amendment
• D)the elastic clause and the Tenth Amendment

---

Definitions:

Stroke Volume

The quantity of blood expelled by the heart's left ventricle in a single beat.

Extracellular Ca2+

Calcium ions present outside of cells, playing significant roles in blood coagulation, neurotransmitter release, and muscle contraction.

Force Of Contraction

The intensity or strength of muscle fiber contractions.

Carbon Dioxide

An invisible, unscented gas that results from the burning of carbon and organic compounds, as well as from breathing processes. It is a naturally occurring component of the air, utilized by plants in photosynthesis.