Gas pressure results from the force exerted by a gas per

Heterogeneous mixture with larger particles that never settle is

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

3. which is not a primary color of light? blue red green yellow