A Probe Placed in Orbit About Europa Would Be Able

question 17

Multiple Choice

A probe placed in orbit about Europa would be able to confirm the presence of a subsurface ocean using a

• A) spectrometer to detect the spectral signature of liquid water at and beneath the surface
• B) camera to observe the formation and breakup of icebergs on the surface
• C) projectile to break the thin icy crust to reveal the water below
• D) laser altimeter to detect the regular bulging of the thin icy crust on top of the ocean due to tidal forces

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Definitions:

Short-Run Phillips Curve

A visual depiction illustrating the opposite correlation between inflation rates and unemployment rates within an economy for a brief period.

Unemployment

The situation where individuals who are capable of working and actively seeking work are unable to find employment.

Prices and Wages

Refers to the levels of remuneration for labor and the cost of goods and services in an economy, which can impact inflation and purchasing power.

Natural Rate

The rate of a quantity, such as unemployment or interest, that prevails when the economy is in a long-term equilibrium.