What is a dust devil? would you expect to feel more of a breeze from a dust devil on mars or on earth? explain.

What is special about a dc circuit ?

What is the equation for electrical work?

The brightest star in the night sky in the northern hemisphere is sirius. its distance from earth is estimated to be 8.7 light years. a light year is the distance light travels in one year. light travels at a speed of 3.00 × 108 m/s. calculate the distance from earth to sirius in miles. (1 mi = 5280 ft) g