Sedimentary Rocks Made Up of Alternating Thin Layers of Chert

question 28

Multiple Choice

Sedimentary rocks made up of alternating thin layers of chert and iron minerals, mostly the iron oxides such as hematite and magnetite, are called ____.

• A) banded iron formations (BIFs)
• B) limestones
• C) sand dunes
• D) evaporates
• E) blue-green algae

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Definitions:

Caregivers

Individuals who provide care to others who cannot care for themselves, including children, the elderly, or those with disabilities or illnesses.

Physiological Needs

Basic physical requirements necessary for human survival, such as air, water, food, shelter, and sleep.

Reinforcers

Stimuli that increase the likelihood of a repeated behavior by providing a consequence that is desirable or by removing an undesirable one.

Indiscriminate Attachment

A phase in early child development where infants show no preference toward any specific caregivers and are equally comfortable with familiar and unfamiliar people.