Answer me fast!
when trying to determine speed you need to know
- rate and time
- distance and time
- acceleration and time
- acceleration and distance

Compare and contrast refraction of light and sound will give brainliest

From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor

The fact that the total amount of energy in a system remains constant is a(n)