A Balloon Inflated with Helium Gas (Density = 0

question 1

Multiple Choice

A balloon inflated with helium gas (density = 0.2 kg/m³) has a volume of 6 × 10^-3 m³. If the density of air is 1.3 kg/m³, what is the buoyant force exerted on the balloon?

• A)0.01 N
• B)0.08 N
• C)0.8 N
• D)1.3 N
• E)7.8 N

Recognize the role of foreign investment and domestic investment in a country's economic prosperity.

Assess the importance of real GDP per person and its growth rate in evaluating a nation’s economic prosperity.

Analyze historical economic growth trends among different nations.

Comprehend the concept of productivity and its determinants.

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Definitions:

Brazil

A large country in South America known for its diverse ecosystems, including the Amazon rainforest.

Canada

A country in North America known for its vast landscapes, multicultural diversity, and being the second largest country in the world by total area.

Restoration Ecology

Restoration ecology is the scientific study and practice of renewing and restoring degraded, damaged, or destroyed ecosystems and habitats in the environment in an informed and sustainable manner.

Damaged Ecosystem

An ecosystem that has been harmed or altered by environmental stresses, human activities, or natural disasters, leading to reduced biodiversity and ecological function.