What Variable Does the Equation Contain? 7 $-$ 1 = 12 $-$

question 76

Multiple Choice

What variable does the equation contain? 7 $-$ 1 = 12 $-$ y

• A)v
• B)a
• C)y
• D)7
• E)12

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Definitions:

Prokaryotic Cells

Simple, single-celled organisms without a nucleus or other membrane-bound organelles, such as bacteria.

Invertebrates

Animals that lack a vertebral column or backbone, including groups such as insects, mollusks, and arachnids.

Chordate Evolution

The study of how chordates, a vast group of animals that includes vertebrates, have evolved over time.

Absolute Dating

A method of determining the age of an object or material, often by measuring the decay of radioisotopes.