When the Core of a Star Reaches a Temperature of About

question 9

Multiple Choice

When the core of a star reaches a temperature of about 100 million degrees (K) , something new happens in the core. What is this new event?

• A) hydrogen nuclei begin to fuse into heavy hydrogen (deuterium) and then into helium
• B) two helium nuclei begin fusing of beryllium (element number 4)
• C) the core explodes
• D) three helium nuclei begin fusing carbon (element number 6)
• E) the fusion of iron (element 26)

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Definitions:

Producer Price Index

An economic measure reflecting the average rate of change in the prices at which domestic producers sell their goods over time.

Consumer Price Index

A tool that analyzes the weighted mean prices for an assortment of consumer necessities, such as healthcare, transportation, and food items.

Consumer Price Index

An index that measures the weighted average price of a group of consumer essentials, including transportation, medical care, and food.

Standard of Living

The degree of prosperity, amenities, tangible assets, and basic needs accessible to an individual, community, or country.