If Its Ion Engine Operates as Planned, Its Huge Solar

question 363

Multiple Choice

If its ion engine operates as planned, its huge solar panel remains deployed and undamaged, and its xenon energy source is not exhausted, then the Dawn spacecraft will reach both Vesta and Ceres (large asteroids in the belt between Mars and Jupiter) , and scientists will gather information about the formation of planets, whether Ceres has a buried ocean of fresh water, and whether vestiges of life lurk beneath its icy surface.

• A) Argument; conclusion: Its ion engine operates ... not exhausted.
• B) Argument; conclusion: The Dawn spacecraft ... Mars and Jupiter)
• C) Argument; conclusion: The Dawn spacecraft ... beneath its icy surface.
• D) Argument; conclusion: Scientists will gather information ... formation of planets.
• E) Nonargument.

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Definitions:

Popliteal Vein

A blood vessel situated at the back of the knee which transports blood from the lower leg to the femoral vein.

External Iliac Vein

A large vein that carries deoxygenated blood from the lower limbs to the common iliac vein.

Femoral Vein

A large vein in the thigh that carries deoxygenated blood from the lower limb back to the heart.

Hepatic Portal Vein

A large vein that carries nutrient-rich blood from the digestive organs to the liver for processing.