The case of Venus tells us that which of the following is a critical factor in determining surface habitability?

A) planetary size
B) levels of geological activity
C) distance from the Sun
D) the presence of a magnetic field


C

Physics & Space Science

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Three hundred kg of water are heated from 20ºC to 80ºC and at constant pressure. Determine the enthalpy change and the heat.

What will be an ideal response?

Physics & Space Science

When dividing several quantities, the number of significant digits in the result must always be

A) larger than the number of significant digits in the most accurate of the quantities. B) equal to the number of significant digits in the most accurate of the quantities. C) equal to the average number of significant digits in the most and least accurate of the quantities. D) equal to the number of significant digits in the least accurate of the quantities. E) smaller than the number of significant digits in the least accurate of the quantities.

Physics & Space Science

A plasma will conduct electricity

Indicate whether the statement is true or false

Physics & Space Science

In 1921, Stern and Gerlach performed an experiment that first demonstrated

a. orbital angular momentum quantization b. energy quantization c. space quantization d. magnetic orbital quantization e. that particles behave like waves

Physics & Space Science