Infrasound carries over long distances better than ultrasound
Indicate whether the statement is true or false
TRUE
Physics & Space Science
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What is the radius of the smallest electron orbit in a singly-ionized helium atom?
A) 1.06 × 10-10 m B) 1.32 × 10-11 m C) 5.29 × 10-11 m D) 2.65 × 10-11 m
Physics & Space Science
The spectrum of radio galaxies indicates the energy is in ________ radiation
Fill in the blank(s) with correct word
Physics & Space Science
In the tropics, the trade winds drive equatorial ocean currents
A) eastward. B) westward. C) southward. D) northward.
Physics & Space Science
__________are objects used to map spiral arms
A) Spiral locators B) Spiral tracers C) Arm finders D) Spiral waves
Physics & Space Science