Venus and Earth Started Out with Roughly the Same Amount

question 33

Multiple Choice

Venus and Earth started out with roughly the same amount of water.While Earth still has water in abundance,all of Venus' was lost.Where did it go?

• A)It chemically combined with CO₂ to form H₂CO₃.
• B)Ultraviolet rays split the hydrogen from the oxygen components,and the hydrogen escaped into space.
• C)It all evaporated into space due to the intense daytime heat of 470°C.
• D)Scientists are still trying to determine this.

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Definitions:

First-Order Regression

A linear regression analysis that involves a single independent variable to predict the outcome of a dependent variable.

Unit Increase

A one-unit increment in the value of an independent variable in a mathematical function or experiment.

First-Order Model

A mathematical or statistical model that represents linear relationships between variables using first-degree equations.

Unit Increase

It refers to the increment by a single unit in the independent variable and observing the effect on the dependent variable.