FIGURE 13-4 -The U-Tube Shown in Fig. 13-4 Contains Mercury with a Mercury

question 40

Multiple Choice

FIGURE 13-4
-The U-tube shown in Fig. 13-4 contains mercury with a density of 13,600 kg/m³. It is open on one end and the other end is connected to a boiler, which contains water at high pressure. The water from the boiler pushes directly on the mercury column. What is the gauge pressure at point A in the boiler?

• A)4.54 kPa
• B)4.41 kPa
• C)128 Pa
• D)441 Pa
• E)449 Pa

Recognize plant adaptations to environmental conditions across different biomes.

Identify the largest coral reef system and understand the significance of coral reefs.

Understand the relationship between water temperature, movement, and oxygen availability in aquatic ecosystems.

Describe the effects of daily and seasonal temperature changes on biomes like deserts and tundras.

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Definitions:

Free-Trade Policy

A policy to eliminate import/export restrictions or tariffs among countries, facilitating a more free flow of goods and services across borders.

Exporting Steel

The process of producing steel in one country and selling it to buyers in another country.

Importing Incense

The process of bringing incense from foreign countries into one's own country for use, resale, or distribution.

Consumer Surplus

The imbalance between what consumers are willing and financially able to invest in a good or service against what they really spend.