Explain the impact model for the formation of the moon

What will be an ideal response?


Answer: While Earth was still in a semimolten state, a Mars-sized impactor called Theia collided with Earth. Theia was shattered, and a material from what became the crust and the mantle was removed from Earth. The debris was scattered in a debris field around Earth. Over time, the debris accreted and formed the moon.

Environmental & Atmospheric Sciences

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How does water dissolve sodium chloride (NaCl)?

A) ?Water molecules neutralize sodium ions (Na+) and chloride ions (Cl-). B) ?The polarity of water causes the sodium ion (Na+) to separate from the chloride ion (Cl-). C) ?When seawater evaporates, its ionic components combine to dissolve table salt. D) ?Water molecules expand causing sodium ions (Na+) and chloride ions (Cl-) to decompose.

Environmental & Atmospheric Sciences

________ describes the surface of a basalt flow with a smooth ropy surface.

A. Pahoehoe B. Haleakala C. Poy D. Aa E. Pele's hair

Environmental & Atmospheric Sciences

Which of the following is closer to the actual number of languages in the world today?

A) 500 B) 1000 C) 3000 D) 5000 E) Over 6000

Environmental & Atmospheric Sciences

________ is the sociological term for discontentment brought on by consumerism and materialism

A) Consumption B) Dysentery C) Influenza D) Systemic materialism E) Affluenza

Environmental & Atmospheric Sciences