The "Local Bubble" was probably created by a nearby supernova in the distant past
Indicate whether the statement is true or false
TRUE
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In a BCC metal, the ______________ family of directions is the most closely packed.
Fill in the blank(s) with the appropriate word(s).
The gravitational force between two objects can be described using the equation Fg = G M1 M2 / d2. According to this equation, if the distance between two objects increases, what happens to the gravitational force between them?
A) The force increases. B) The force decreases. C) The force drops instantly to zero. D) The gravitational force is not affected by distance.
Why are relatively few details known about the life that existed on Earth prior to a few hundred million years ago?
A) Nearly all life at that time was microscopic, making it much more difficult to identify. B) Many rocks have been transformed by high heat and pressure, destroying any fossils they contained. C) Older rocks are more rare than younger rocks because of geologic processes like subduction. D) All of the above
Increasing the wavelengths in a double-slit experiment has what effect on the position of maxima on a screen at fixed distance?
A. none B. maxima get closer together C. maxima get farther apart D. maxima get cancelled by minima E. maxima pass minima on the screen