X-Ray Bursters Occur in Binary Star Systems

question 24

Multiple Choice

X-ray bursters occur in binary star systems. The two types of stars that must be present tomake up such an object are:

• A)a white dwarf and a neutron star.
• B)a contact binary system of two red giants.
• C)a white dwarf and a main sequence star.
• D)a main sequence or giant star and a neutron star in a mass transfer binary.
• E)two neutron stars in a mass transfer binary.

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Definitions:

Cash Commodity Subsidies

Financial support provided by governments to farmers for certain commodities, paid in cash.

Countercyclical Payments

Government payments to agricultural producers that increase when market prices fall below certain thresholds, aiming to stabilize farmers' incomes.

Farm Subsidies

Governmental financial support to farmers aimed at stabilizing food prices, ensuring a stable food supply, and supporting agricultural economic activities.