The energy for plate tectonics comes primarily from radioactive decay in our core

Indicate whether the statement is true or false


TRUE

Physics & Space Science

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The ____________________ contains a large amount of gas and dust and a great number of stars, and our Sun is one of those stars

Fill in the blank(s) with correct word

Physics & Space Science

Which properties affect the location of the habitable zone?

A. Star size B. Exoplanet semi-major axis C. Number of exoplanets in the system D. All of these choices are correct. E. None of these choices are correct.

Physics & Space Science

Five motion diagrams in which points represent the positions of an object at equal time intervals are shown below. Which statement is correct?


?

a.
A has the greatest speed and the greatest acceleration.

b.
C has decreasing speed.

c.
D slows down and then speeds up.

d.
D speeds up and then slows down.

e.
E has a greater speed than A.

Physics & Space Science

The strong force is mediated by:

a. the gluon. c. the W+ boson. b. the W– boson. d. All of these choices.

Physics & Space Science