A Planet Is Made of Two Distinct Materials in Two $\times$

question 67

Multiple Choice

A planet is made of two distinct materials in two layers.From the core to R/2,the density of the material is 4000 kg/m³,and from R/2 to R the density is 3000 kg/m³.What is the mass of the planet if R = 5000 km?

• A)2.62 \(\times\) 10²³ kg
• B)1.37 \(\times\) 10²⁴ kg
• C)1.64 \(\times\) 10²⁴ kg
• D)1.57 \(\times\) 10²⁴ kg
• E)1.87 \(\times\) 10²⁴ kg

Understand the general processes and importance of photosynthesis in plants.

Identify the role of different wavelengths of light in photosynthesis.

Describe the path of electron flow during photosynthesis and its role in energy conversion.

Recognize the importance of water splitting and oxygen release in photosynthesis.

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Definitions:

Centre of Gravity

A method used in logistics and supply chain management to find the optimal location of a facility based on minimizing transportation costs.

School District

An organizational entity within a specific geographical area that operates and manages public schools.

Average Distance

A measure used to calculate the mean distance between points in a dataset, often used in logistics and planning.