Which statement is an inference? a) a thermometer shows that the air temperature is 56 degrees fahrenheit. b) a mineral sample of galena produced a gray-black streak when tested. c) based in previous data, ten hurricanes may occur in the year 2013. d) a weather vane shows the wind is coming from the west.

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

In the particles are arranged in a regular, repeating pattern. a)a crystalline liquid b)a crystalline solid c)all gases d)all solids

What are four significant sources of ghgs that come from wostem washington?