Sand Is Composed Mostly of ____ and Is Used to Make

question 92

Multiple Choice

Sand is composed mostly of ____ and is used to make glass, bricks, and concrete for the construction of roads and buildings.

• A) shells, skeletons, and other remains of dead aquatic organisms
• B) aluminum
• C) phosphate salts
• D) silicon dioxide (SiO₂)
• E) calcium carbonate, or CaCO₃

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Definitions:

Provenge

A brand name for a vaccine treatment that stimulates the immune system to attack prostate cancer cells.

Cancer Vaccine

A vaccine designed to prevent or treat cancer by stimulating the body's immune system to attack cancer cells.

Prostate Cancer

A type of cancer that occurs in the prostate, a small walnut-shaped gland in males that produces seminal fluid.

Fourth-Generation Algorithm

Advanced algorithms that incorporate learning and adaptation capabilities, often using artificial intelligence or machine learning technologies.