Which of the Following Has NOT Changed

question 15

Multiple Choice

Which of the following has NOT changed?

• A)the position of the plates on Earth's surface
• B)the tilt of Earth's axis of rotation
• C)the position of Earth relative to the Sun
• D)the amount of solar insulation on Earth

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Definitions:

Elemental Symbol

A one- or two-letter notation derived from the name of an element, used to represent it in chemical formulas and equations.

Rubidium

A soft, silvery-white metallic element, symbol Rb, used in research and in manufacturing specialty glasses.

Elemental Symbol

A one or two-letter abbreviation that represents an element on the periodic table.

Gold

A chemical element with the symbol Au (from Latin: aurum) and atomic number 79, valued for its rarity, malleability, and as a monetary standard.