A Thimble of Water Contains 4

question 29

Multiple Choice

A thimble of water contains 4.0 × 10²¹molecules.The number of moles of H₂O is

• A)2.4 × 10⁴⁵.
• B)6.6 × 10^-3.
• C)6.6 × 10^-23.
• D)2.4 × 10²³.
• E)2.4 × 10^-23.

---

Definitions:

Coastal Landscapes

Geographic areas where the land meets the ocean, characterized by features such as beaches, cliffs, and estuaries.

Precipitation

Any type of water, whether in liquid or solid state, that descends from the sky and makes contact with the Earth's surface, encompassing phenomena such as rain, snow, sleet, and hail.

Vegetation

Plant life or the lifeforms characteristic of a region, period, or special environment, playing key roles in the Earth's ecosystem.

Sea Level

The average height of the ocean's surface between high and low tide, used as a reference point in measuring land elevation and sea depth.