Acolored filter placed in front of a spotlight or floodlight to give the light beam a specific hue is called a:

What effects result when there is an impact between earth and an asteroid? check all that apply. a.massive flooding. b.extinction of many life forms.c.major earthquakes change in average global temperature.d. giant dust cloud

Observations show that interstellar clouds can have almost any shape and

What is a subatomic particle with a negative charge and very little mass?